Properties of the Number 23119

Twenty-Three Thousand One Hundred Nineteen

Basics

Value: 23118 → 23119 → 23120

Parity: odd

Prime: No

Previous Prime: 23117

Next Prime: 23131

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 61 × 379

Divisors: 1, 61, 379, 23119

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101101001001111

Octal: 55117

Duodecimal: 11467

Hexadecimal: 5a4f

Square: 534488161

Square Root: 152.04933409916663

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

a(n) = 20·n² - 1. A158491

Discriminants of quintic fields with 2 complex conjugates (negated). A23684

Expansion of (1+2·x+4·x²+8·x³)/(1-x-16·x⁵). A98582

a(n) = 80·n² - 1. A158774

Numbers k such that k![10]-2 is prime, where k![10] is the ten-fold multifactorial. A283559

Number of walks within N² (the first quadrant of Z²) starting and ending at (0,0) and consisting of n steps taken from {(-1, -1), (-1, 0), (0, 1), (1, -1)}. A151336

Signature sequence of sqrt(7) (arrange the numbers i+j·x (i,j >= 1) in increasing order; the sequence of i's is the signature of x). A23119

Number of nX6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 5 neighboring 1s. A297593

Array read by antidiagonals upwards: A(n,k) is the number of nonequivalent positions in the KRvK endgame on an n X n chessboard with DTM (distance to mate) k, n >= 3, k >= 0. A358339