Properties of the Number 51481

Fifty-One Thousand Four Hundred Eighty-One

Basics

Value: 51480 → 51481 → 51482

Parity: odd

Prime: Yes

Previous Prime: 51479

Next Prime: 51487

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 51481

Divisors: 1, 51481

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100100100011001

Octal: 144431

Duodecimal: 25961

Hexadecimal: c919

Square: 2650293361

Square Root: 226.8942484947558

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 p such that A001175(p) = (p-1)/9. A308794

Number of ways of writing n as a sum of n nonnegative cubes. A291700

Primes of the form 3·m² - 2. A201715

Swinging primes: primes which are within 1 of a swinging factorial (A056040). A163074

Primes of the form k$ + 1. Here '$' denotes the swinging factorial function (A056040). A163075

Primes in A005891 = Centered pentagonal numbers: (5n² + 5n + 2)/2. A145838

Primes of the form k$ + 1 which are the greater of twin primes. Here '$' denotes the swinging factorial function (A056040). A163083

Primes which are the sum of three nonzero 6th powers. A283017

a(n) = (n/2)*binomial(2·n, n) + 1. A289719

Expansion of 1/sqrt((1-x⁷)² - 4·x²). A383569