Properties of the Number 53139

Fifty-Three Thousand One Hundred Thirty-Nine

Basics

Value: 53138 → 53139 → 53140

Parity: odd

Prime: No

Previous Prime: 53129

Next Prime: 53147

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 17713

Divisors: 1, 3, 17713, 53139

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100111110010011

Octal: 147623

Duodecimal: 26903

Hexadecimal: cf93

Square: 2823753321

Square Root: 230.51897969581594

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

24 'Reverse and Add' steps are needed to reach a palindrome. A65318

Number of integer partitions of n whose augmented differences are an aperiodic word. A329136

Sum of the largest parts in the partitions of n into 6 parts. A308873

Number of idempotent 3X3 -n..n matrices of rank 1. A221312

Numbers of the form x² + y² + z² = φ(x·y*z) + σ(x·y*z). A173792

Number of (n+1) X 5 0..1 arrays with the number of rightwards and downwards edge increases in each 2 X 2 subblock equal to the number in all its horizontal and vertical neighbors. A206263

a(n) = φ(n) - μ(n). A53139