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160 (number)

160 is the natural number following one hundred fifty-nine and preceding one hundred sixty-one.

OrdinalOne hundred [and]
sixty
Cardinal160th
Factorization2^5 \cdot 5
Roman numeralCLX
Binary10100000
HexadecimalA0

One hundred sixty is the sum of the first 11 primes, as well as the sum of the cubes of the first three primes. Given 160, the Mertens function returns 0. 160 is the smallest number n with exactly 12 solutions to the equation φ(x) = n.


One hundred sixty is also:


Other numbers in the 160s

161 = 7 23, sum of five consecutive primes (23 + 29 + 31 + 37 + 41), hexagonal pyramidal number


162 = 2 3^4, Harshad number, divisible by φ(162), untouchable number


163 = prime number, Mertens function returns 0. Multiplied by , a Heegner number


164 = 2^2 41, Mertens function returns 0


165 = 3 5 11, sphenic number, tetrahedral number, self number


166 = 2 83, Smith number, Mertens function returns 0, centered triangular number


167 = prime, safe prime


168 = 2^3 3 7, sum of four consecutive primes (37 + 41 + 43 + 47)


One hundred sixty-nine has an article of its own.


01-04-2007 01:18:14
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