161 (number) ... 161 (one hundred [and] sixty-one) is the natural number following 160 and preceding 162.

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The meaning of the number 161: How is 161 spell, written in words, interesting facts, mathematics, computer science, numerology, codes. 161 in Roman Numerals and images.

Your guide to the number 161, an odd composite number composed of two distinct primes. Mathematical info, prime factorization, fun facts and numerical data for STEM, education and fun.

The factors of 161 are 1, 7, 23, 161 and the factors of 100 are 1, 2, 4, 5, 10, 20, 25, 50, 100. 161 and 100 have only one common factor which is 1. This implies that 161 and 100 are co-prime.

The number 161 can be divided by 4 positive divisors (out of which none is even, and 4 are odd). The sum of these divisors (counting 161) is 192, the average is 48.

Properties of the number 161: factors, prime check, fibonacci check, bell number check, binary, octal, hexadecimal representations and more.

Is 161 a triangle number? Is 161 a Prime Number? Is 161 a perfect number? Is 161 a Mersenne Prime? Is 161 a Fermat Prime? Is 161 a Fibonacci Prime? Is 161 a Partition Prime? Is 161 a Pell Prime? Is …

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For 161 to be a prime number, it would have been required that 161 has only two divisors, i.e., itself and 1. However, 161 is a semiprime (also called biprime or 2 -almost-prime), because it is the product of …