Properties of the Number 53781

Fifty-Three Thousand Seven Hundred Eighty-One

Basics

Value: 53780 → 53781 → 53782

Parity: odd

Prime: No

Previous Prime: 53777

Next Prime: 53783

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 7 × 13 × 197

Divisors: 1, 3, 7, 13, 21, 39, 91, 197, 273, 591

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101001000010101

Octal: 151025

Duodecimal: 27159

Hexadecimal: d215

Square: 2892395961

Square Root: 231.90730906980917

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) = (n⁵ - n)/10, which is always an integer. A164938

Numbers k that divide the sum of the first k composite numbers. A53781