Properties of the Number 23091

Twenty-Three Thousand Ninety-One

Basics

Value: 23090 → 23091 → 23092

Parity: odd

Prime: No

Previous Prime: 23087

Next Prime: 23099

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 43 × 179

Divisors: 1, 3, 43, 129, 179, 537, 7697, 23091

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101101000110011

Octal: 55063

Duodecimal: 11443

Hexadecimal: 5a33

Square: 533194281

Square Root: 151.95723082499234

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..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 3 or 4. A252075

G.f. A(x) satisfies: A( x·A(x) - x·A(x)² ) = x². A265940

a(n) = prime(n) * prime(n+2) - 2·prime(n+1). A152532

Number of compositions of 7·n into parts 4 and 7. A373910

Position of first occurrence of 2ⁿ in A057923. A57925

Position at which 2ⁿ occurs in A057926, or -1 if it does not occur. A57928

Number of (n+2) X (2+2) 0..2 arrays with every 3 X 3 subblock row, column, diagonal and antidiagonal sum not equal to 0 3 or 4. A252069

Number of n X 6 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 1 0 vertically. A207303

Number of 6Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 1 0 vertically. A207309

Number of (n+2)X(7+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 3 or 4. A252074