Numbers 200,000,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

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

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200,000,002

[Math.]  (Sequence of numbers 20…02)

2000000023 = 8000000240000002400000008 = (–8+000000240000002–40000000+8)3.

200,542,860

[Math.]  Sum (in degrees) of all internal angles of a 1,114,129-side polygon. A regular 1114129-side polygon is constructible by using only straightedge and compass.

201,526,416

[Math.]  Sum of the first 168 cube numbers:

13+23+…+1683 = 201,526,416 = (1+2+…+168)2 = 14,1962.

205,962,976

[Math.]  205,962,976 = (2+0+5+9+6+2+9+7+6)5 = 465.

206,353,225

[Math.]  Sum of the first 169 cube numbers:

13+23+…+1693 = 206,353,225 = (1+2+…+169)2 = 14,3652.

207,360,000

[Math.]  (1+2+…+15)4 = [(15+25+…+155)+(17+27+…+157)]/2.

208,571,364

[Math.] 144422 = 208,571,364, one of 22 squares using all 9 digits 0-8 once.

209,876,543

[Math.]  Multiples of 012345679 by 8, 17, 26, 35, 44, 53, 62, 71 and 80 will yield all 9 rotations of the number 098765432: 098765432, 209876543, 320987654, 432098765, 543209876, 654320987, 765432098, 876543209 and 987654320. All numbers are missing digit 1.

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.