Properties of the Number 23972

Twenty-Three Thousand Nine Hundred Seventy-Two

Basics

Value: 23971 → 23972 → 23973

Parity: even

Prime: No

Previous Prime: 23971

Next Prime: 23977

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 13 × 461

Divisors: 1, 2, 4, 13, 26, 52, 461, 922, 1844, 5993

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101110110100100

Octal: 56644

Duodecimal: 11A58

Hexadecimal: 5da4

Square: 574656784

Square Root: 154.82893786369524

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

Numbers that are the sum of eight fourth powers in exactly nine ways. A345841

Expansion of ∏_m>=1 (1+q^m)^-4. A22599

Number of binary rooted trees with n nodes and internal path length n. A108643

McKay-Thompson series of class 24E for the Monster group. A112160

To obtain a(n+1), take the square of the n-th partial sum, minus the sum of the first n squared terms, then divide this difference by a(n); for all n>1, starting with a(0)=1, a(1)=1. A87640

Number of intersection points outside the n-gon of all lines through pairs of vertices of a regular n-gon. A146213

a(n) = [ a(n-1)/a(1) + a(n-3)/a(3) + a(n-5)/a(5) + ... ], for n >= 3. A22871

First bit in fractional part of binary expansion of 5th root of n. A23972