mathspassion Posted April 12, 2017 Share Posted April 12, 2017 Numbers are amazing ,if we deep study about we get a lot miracle which we have to bring out ,in this view one more article see and observe why is it so……….why always 6. (2,2,3....2,2,3......) 123-----1+2+3=6=0+6=6 456-----4+5+6=15=1+5=6 789-----7+8+9=24=2+4=6 101112----10+11+12=33=3+3=6 131415-----13+14+15=42=4+2=6 161718-----16+17+18=51=5+1=6 192021-------19+20+21=60=6+0=6 222324------22+23+24=69=15=1+5=6 252627------25+26+27=78=7+8=15=1+5=6 282930-----28+29+30=87=8+7=15=1+5=6 313233------31+32+33=96=9+6=15=1+5=6 343536------34+35+36=105=1+0+5=6 373839------37+38+39=114=1+1+4=6 404142------40+41+42=123=1+2+3=6 434445------43+44+45=132=1+3+2=6 464748------46+47+48=141=1+4+1=6 495051-----49+50+51=150=1+5+0=6 525354-----52+53+54=159=1+5+9=15=1+5=6 555657-----55+56+57=168=1+6+8=15=1+5=6 585960----58+59+60=177=1+7+7=15=1+5=6 616263----61+62+63=186=1+8+6=15=1+5=6 646566----64+65+66=195=1+9+5=15+1+5=6 676869----67+68+69=204=2+0+4=6 707172----70+71+72=213=2+1+3=6 737475---73+74+75=222=2+2+2=6 767778---76+77+78=231=2+3+1=6 798081---79+80+81=240=2+4+0=6 828384---82+83+84=249=2+4+9=15=1+5=6 858687---85+86+87=258=2+5+8=15=1+5=6 888990---88+89+90=267=2+6+7=15=1+5=6 919293---91+92+93=276=2+7+6=15=1+5=6 949596---94+95+96=285=2+8+5=15=1+5=6 979899---97+98+99=294=2+9+4=15=1+5=6 100101102--100+101+102=303=3+0+3=6 103104105--103=104+105=312=3+2+1=6 106107108—106+107+108=321=3=2+1=6 109110111—109+110+111=330=3+3+0=6 copyright to PiyushGoel Link to comment Share on other sites More sharing options...
DrKrettin Posted April 12, 2017 Share Posted April 12, 2017 Have you tried that same in a different base, say octal and hexadecimal? Is the number 6 still as magical? Link to comment Share on other sites More sharing options...
imatfaal Posted April 12, 2017 Share Posted April 12, 2017 Not magical at all. Simply explained. 1. The initial three digits equal 6 2. Each subsequent set of digits is 9 more 3. In decimal notation the process of adding 9 can be seen as adding 1 to the tens column and subtracting 1 from units column 4. Adding 1 and subtracting 1 will always leave the digit sum as the same as the previous answer - 6 If you started with 2,3,4 every triple would eventually add to 9, and if you started with 3,4,5 every triple would add to 3. Neither new, nor interesting 2 Link to comment Share on other sites More sharing options...
Commander Posted April 12, 2017 Share Posted April 12, 2017 (edited) Still thinking ! 100110021003 produces 9 234 produces 9 345 produces 3 Well only in the order listed by you that is true That is any three consecutive numbers adding to 6 It only happens if the first number of the series say N is such that N-1, N-4 or N-7 is a multiple of 9 and the rest is simple as explained by imatfaal Edited April 12, 2017 by Commander Link to comment Share on other sites More sharing options...
Country Boy Posted April 12, 2017 Share Posted April 12, 2017 Look up "casting out nines": https://en.wikipedia.org/wiki/Casting_out_nines (Or "casting out "n-1"s for base n.) Link to comment Share on other sites More sharing options...
mathspassion Posted April 13, 2017 Author Share Posted April 13, 2017 we took here 123,456..... not 123,234,345.....mean no repaeting of digit. my question is why for this........ always 6(sum of digits) at the end. For example 123=6 234=9 345=12=3 456=15=6 567=18=9 678=21=3 789=24=6 at the end sum of digits repaeating. and if we do with one more example 12=3 23=5 34=7 45=9 56=11=2 67=13=4 78=15=6 89=17=8 910=19=10=1 1011=21=3 at the end sum of digitis repeating. Link to comment Share on other sites More sharing options...
Sriman Dutta Posted April 13, 2017 Share Posted April 13, 2017 For numbers like 454647, we are considering three consecutive integers as parts of the number. So 454647 has three consecutive integers- 45,46 and 47. We can represent them as 10n + a, 10n+(a+1) and 10n+(a+2); where n is the tens digit ( here n=4) and a is the ones digit, three consecutive integers, and so a, a+1 and a+2. If we add, then 10n + a 10n + (a+1) 10n + (a+2) _______________ 30n + 3a +3 = 3(10n + a + 1) So its a multiple of 3. Link to comment Share on other sites More sharing options...
imatfaal Posted April 13, 2017 Share Posted April 13, 2017 ...my question is why for this........ always 6(sum of digits) at the end. ... And I answered your question. The first three numbers 1,2,3 add to six (both in normal summation and digit-wise summation obviously). Each success triplet is 9 bigger* - if you add 9 to any number in the decimal system the digit sum remains the same (because you decrease the units column by one and increase the tens, or a higher column by one). So if the first sum is 6 then all subsequent sums will be 6. I even showed that different starting seeds would give repeated 3s and repeated 9s. This is well known, not surprising, and no mystery * this is simple the first triplet adds 1+2+3, the second is (1+3)+(2+3)+(3+3) = 1+2+3 +3+3+3 = 1+2+3+9; it is clear this continues Link to comment Share on other sites More sharing options...
Sriman Dutta Posted April 13, 2017 Share Posted April 13, 2017 By the way, who is Piyush Goel ? Link to comment Share on other sites More sharing options...
mathspassion Posted April 14, 2017 Author Share Posted April 14, 2017 ok let see -1 Link to comment Share on other sites More sharing options...
mathspassion Posted April 16, 2017 Author Share Posted April 16, 2017 sriman bhai pata laga who is piyush goel -1 Link to comment Share on other sites More sharing options...
Unity+ Posted April 16, 2017 Share Posted April 16, 2017 Neither new, nor interesting Not new? Maybe Not interesting? I would beg to differ Link to comment Share on other sites More sharing options...
imatfaal Posted April 16, 2017 Share Posted April 16, 2017 Not new? Maybe Not interesting? I would beg to differ Something which can be so easily explained as an artifact of the number system is not that interesting in my opinion. But then most of the stuff I find interesting I don't really understand Link to comment Share on other sites More sharing options...
mathspassion Posted April 17, 2017 Author Share Posted April 17, 2017 if you have new post mere bhai....(unity & imatfall). give new to the world........... friends who do not put right name i think they are fake you both of that type person you know.... likhne aur sochne mein bahut difference hain........ -1 Link to comment Share on other sites More sharing options...
Bender Posted April 17, 2017 Share Posted April 17, 2017 if you have new post mere bhai....(unity & imatfall). give new to the world........... friends who do not put right name i think they are fake you both of that type person you know.... likhne aur sochne mein bahut difference hain........ mjqksdf ysoidfyo ejrklno mlsiur... Link to comment Share on other sites More sharing options...
mathspassion Posted April 20, 2017 Author Share Posted April 20, 2017 sriman dutta i got some while searching piyush goel on google i think he has lot work done in mirror image writing/mathematics/making caricatures etc......... Link to comment Share on other sites More sharing options...
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