Properties of the Number 24158

Twenty-Four Thousand One Hundred Fifty-Eight

Basics

Value: 24157 → 24158 → 24159

Parity: even

Prime: No

Previous Prime: 24151

Next Prime: 24169

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 47 × 257

Divisors: 1, 2, 47, 94, 257, 514, 12079, 24158

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101111001011110

Octal: 57136

Duodecimal: 11B92

Hexadecimal: 5e5e

Square: 583608964

Square Root: 155.42844012599497

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

Maximal number of regions obtained by joining n points around a circle by straight lines. Also number of regions in 4-space formed by n-1 hyperplanes. A127

Place n equally-spaced points around a circle and join every pair of points by a chord; this divides the circle into a(n) regions. A6533

T(n,k) is the number of (n+1) X (k+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2 (constant-stress 1 X 1 tilings). A234169

T(n,k)=Number of nXk 0..4 arrays of sums of 2X2 subblocks of some (n+1)X(k+1) binary array with rows and columns of the latter in lexicographically nondecreasing order. A226992

a(n) = 49·n² - 78·n + 31. A157368

Denominators of continued fraction convergents to sqrt(376). A41713

Number of nX4 0..4 arrays of sums of 2X2 subblocks of some (n+1)X5 binary array with rows and columns of the latter in lexicographically nondecreasing order. A226990

Number of (n+1) X (1+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2 (constant-stress 1 X 1 tilings). A234162

Number of (n+1) X (4+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2 (constant-stress 1 X 1 tilings). A234165

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 229", based on the 5-celled von Neumann neighborhood. A270948