Properties of the Number 53156

Fifty-Three Thousand One Hundred Fifty-Six

Basics

Value: 53155 → 53156 → 53157

Parity: even

Prime: No

Previous Prime: 53149

Next Prime: 53161

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 97 × 137

Divisors: 1, 2, 4, 97, 137, 194, 274, 388, 548, 13289

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100111110100100

Octal: 147644

Duodecimal: 26918

Hexadecimal: cfa4

Square: 2825560336

Square Root: 230.5558500667463

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) = ∑_d∣n binomial(n,d). A56045

Number of integer partitions of n whose run-sums are not all equal. A382076

Number of positive meanders (walks starting at the origin and ending at any altitude > 0 that never touch or go below the x-axis in between) with n steps from {-4,-3,-2,-1,1,2,3,4}. A278396

Number of edges in a complete bipartite graph where the n vertices of each part are placed on the vertices, and on opposite sides, of a regular 2n-gon. A392973

Number of 2-element intersecting families (with not necessarily distinct sets) whose union is an n-element set. A53156

Decimal expansion of the x-intercept of the shortest segment from the·axis through (1,1) to the line y=2x. A197140

Decimal expansion of the shortest distance from the·axis through (1,1) to the line y=2x. A197141