Properties of the Number 23138

Twenty-Three Thousand One Hundred Thirty-Eight

Basics

Value: 23137 → 23138 → 23139

Parity: even

Prime: No

Previous Prime: 23131

Next Prime: 23143

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 23 × 503

Divisors: 1, 2, 23, 46, 503, 1006, 11569, 23138

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101101001100010

Octal: 55142

Duodecimal: 11482

Hexadecimal: 5a62

Square: 535367044

Square Root: 152.11180098861496

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) is the concatenation of n and 6n. A9440

Sum of numerator and denominator in a rational approximation j/k of q = log(2)/log(3), such that q - j/k is a new minimum, i.e., q is approximated from below. A355514

Sum of numerator and denominator in a rational approximation j/k of q = log(2)/log(3), such that abs(j/k - q) is a new minimum. A355513

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 411", based on the 5-celled von Neumann neighborhood. A271891

Number of cycles of function f(x) = 6x mod n. A23138

Number of n X 4 arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, without move-in move-out straight through or left turns. A221934