Properties of the Number 23157

Twenty-Three Thousand One Hundred Fifty-Seven

Basics

Value: 23156 → 23157 → 23158

Parity: odd

Prime: No

Previous Prime: 23143

Next Prime: 23159

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 31 × 83

Divisors: 1, 3, 9, 31, 83, 93, 249, 279, 747, 2573

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101101001110101

Octal: 55165

Duodecimal: 11499

Hexadecimal: 5a75

Square: 536246649

Square Root: 152.17424223566877

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Expansion of (b(q²) / b(q))³ in powers of q where b() is a cubic AGM function. A128643

Number of partitions of n containing m(3) as a part, where m denotes multiplicity. A240488

a(n) = 64·n³ - 168·n² + 148·n - 43. A160250

Numbers k such that k! has a palindromic prime number of digits. A35067

Starting positions of strings of three 4's in the decimal expansion of π. A83615

Dot product of the first n primes and the first n triangular numbers. A378493

Number of partitions of n into parts not of the form 19k, 19k+2 or 19k-2. Also number of partitions with 1 part of size 1 and differences between parts at distance 8 are greater than 1. A35971

Number of cycles of function f(x) = x⁶ mod n. A23157