Properties of the Number 53681

Fifty-Three Thousand Six Hundred Eighty-One

Basics

Value: 53680 → 53681 → 53682

Parity: odd

Prime: Yes

Previous Prime: 53657

Next Prime: 53693

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 53681

Divisors: 1, 53681

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101000110110001

Octal: 150661

Duodecimal: 27095

Hexadecimal: d1b1

Square: 2881649761

Square Root: 231.69160537231383

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

Primes of form n² + 10000. A256838

Number of partitions p of n such that (number of numbers of the form 5k + 1 in p) is a part of p. A241550

Primes of the form (p²-2)/7, where p is also a prime number. A165668

Primes p such that p*(p-1) divides 3^p-1-1. A81763

a(1)=2; for n>1, a(n+1) = least prime > a(n) and congruent to a prime modulo prime successor of a(n). A80898

Number of nondecreasing sequences of n 1..n integers with every element dividing the sequence sum. A212531

Positions where 8 occurs in decimal expansion of e (starting count at decimal point). A53681