Numbers 920,000,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

All Numbers  900,000,000 –  910,000,000920,000,000930,000,000 – 940,000,000

950,000,000 –  960,000,000970,000,000980,000,000990,000,000

[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 ...

923,005,161

[Math.]  Sum of the first 246 cube numbers:

13+23+…+2463 = 923,005,161 = (1+2+…+246)2 = 30,3812.

 

923,187,456

[Math.]  303842 = 923,187,456, one of thirty 9-digit square numbers using all 9 digits 1-9 once. (The largest such number).

 

927,538,920 & 927,538,921

[Math.]   The 12th square number that is the sum of squares of 2 consecutive numbers: 927,538,9202+927,538,9212 = 1,311,738,1212. Each root number in the series is 6 times the previous root number minus the earlier root number:  1, 52, 292, 1692, 9852

Or in other words:

(927,538,920, 927,538,921, 1,311,738,121) is the 12th Pythagorean triple (lengths of 3 sides of a right triangle), where 2 sides are consecutive integers.

 

929,292,929

[Math.]  An alternating-digit prime number. 

 

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.