Properties of the Number 53981

Fifty-Three Thousand Nine Hundred Eighty-One

Basics

Value: 53980 → 53981 → 53982

Parity: odd

Prime: No

Previous Prime: 53959

Next Prime: 53987

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 23 × 2347

Divisors: 1, 23, 2347, 53981

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101001011011101

Octal: 151335

Duodecimal: 272A5

Hexadecimal: d2dd

Square: 2913948361

Square Root: 232.33811568487855

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

Number of n X n binary arrays with all ones connected only in a 1100-1000-1111 pattern in any orientation. A146682

Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1100-1000-1111 pattern in any orientation. A146684

A fourth order generalization of the Mobius function of n. A53981

Numbers k such that the area of a circle of radius k is closer to an integer than the area of any circle whose radius is a smaller positive integer k. A254714