Properties of the Number 11623

Eleven Thousand Six Hundred Twenty-Three

Basics

Value: 11622 → 11623 → 11624

Parity: odd

Prime: No

Previous Prime: 11621

Next Prime: 11633

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 59 × 197

Divisors: 1, 59, 197, 11623

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10110101100111

Octal: 26547

Duodecimal: 6887

Hexadecimal: 2d67

Square: 135094129

Square Root: 107.81001808737442

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

Eight rooks and one berserker on a 3 X 3 chessboard. G.f.: (1 + 3·x)/(1 - 4·x - 3·x² + 6·x³). A180147

Numbers n such that n divides the concatenation of all divisors in descending order. A224930

T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero. A297959

Riordan array (1/sqrt(1-2·x-3·x²), 1/sqrt(1-2·x-3·x²) -1). A116392

Array read by antidiagonals: T(m,n) = number of maximal matchings in the grid graph P_m X P_n. A288026

Number of compositions of n having exactly five fixed points. A240740

Number of maximal matchings in the grid graph P₃ X P_n. A288028

One-sixtieth of the even leg of Pythagorean triangles whose other sides are both primes (other than 3, 5 or 13). A68485

Number of zero-sum -n..n arrays of 4 elements with adjacent element differences also in -n..n. A202254

Triangle read by rows: T(n,k) is the number of 4-ary strings of length n with k indispensable digits, with 0 <= k <= n. A330509