Properties of the Number 23912

Twenty-Three Thousand Nine Hundred Twelve

Basics

Value: 23911 → 23912 → 23913

Parity: even

Prime: No

Previous Prime: 23911

Next Prime: 23917

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 7 ² × 61

Divisors: 1, 2, 4, 7, 8, 14, 28, 49, 56, 61

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101110101101000

Octal: 56550

Duodecimal: 11A08

Hexadecimal: 5d68

Square: 571783744

Square Root: 154.63505424062166

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

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly one way, and new values 0..1 introduced in row major order. A204361

Number of different cuboids with volume (pq)ⁿ, where p,q are distinct prime numbers. A101427

a(n)² is the end of the first occurrence of n consecutive perfect powers, all of which are squares with exponents equal to 2 (A111245). A340664

Number of (w,x,y,z) with all terms in {1,...,n} and w<=|x-y|+|y-z|. A212673

a(n) = ∑_i=1..n-1(i^n-2) mod n⁴. A284760

Numbers k such that k² + 1 == 0 (mod 41²). A157116

(A192533)/2. A192534

Number of (n+2)X3 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly one way, and new values 0..1 introduced in row major order. A204354

Number of (n+2)X8 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly one way, and new values 0..1 introduced in row major order. A204359

θ series of A₂₁ lattice. A23912