Numbers 720,000,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

All Numbers  700,000,000 710,000,000720,000,000 – 730,000,000 – 740,000,000

750,000,000760,000,000770,000,000780,000,000 790,000,000

[1M] & [10M] & [100M- [200M] - [300M] - [400M] - [500M] - [600M] - [700M] - [800M] - [900M] & [1B]

1  - 10 - 100  - 1000 - 10,000 - 100,000 - 1M - 10M - 100M1B10B - 100B - 1T - 10T - 100T - 1Q ...

722,222,227

[Math.] A prime number. (7 digits 2 in the middle of 2 digits 7).

 

726,918,453

[Math.] 726,918,4533 =  384,111,297,639,829,428,356,545,677; All digits are “triplicated”. (References [15])

 

727,272,727

[Math.] An alternating-digit prime number.

 

728,395,061

[Math.] Multiples of 012345679 by 5, 14, 23, 32, 41, 50, 59, 68 and 77 will yield all 9 rotations of 061728395: 061728395, 172839506, 283950617, 395061728, 506172839, 617283950, 728395061, 839506172 and 950617283. All numbers are missing digit 4.


xyz,abc,def

[Math.]  For any xyz = 100 to 999, there are always six 6-digit numbers abc,edf such that the sum (xyz+abc,def) is equal to one of 6 digit-rotations of 142,857 and the number  xyz,abc,def is a multiple of 142,857.

 

For any xyz = 100 to 999, there are always twelve 6-digit numbers abc,edf such that the sum (xyz+abc,def) is equal to one of 12 digit-rotations of 076,923 or 153,846 and the number xyz,abc,def is a multiple of 76,923.