Английская Википедия:189 (number)

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Шаблон:Infobox number 189 (one hundred [and] eighty-nine) is the natural number following 188 and preceding 190.

In mathematics

189 is a centered cube number[1] and a heptagonal number.[2] The centered cube numbers are the sums of two consecutive cubes, and 189 can be written as sum of two cubes in two ways: Шаблон:Nowrap and Шаблон:Nowrap The smallest number that can be written as the sum of two positive cubes in two ways is 1729.[3]

There are 189 zeros among the decimal digits of the positive integers with at most three digits.[4]

The largest prime number that can be represented in 256-bit arithmetic is the "ultra-useful prime" Шаблон:Nowrap used in quasi-Monte Carlo methods[5] and in some cryptographic systems.[6]

See also

References

Шаблон:Commons category Шаблон:Reflist

Шаблон:Integers