Properties of the Number 51431

Fifty-One Thousand Four Hundred Thirty-One

Basics

Value: 51430 → 51431 → 51432

Parity: odd

Prime: Yes

Previous Prime: 51427

Next Prime: 51437

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 51431

Divisors: 1, 51431

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100100011100111

Octal: 144347

Duodecimal: 2591B

Hexadecimal: c8e7

Square: 2645147761

Square Root: 226.784038239026

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

Numbers k such that (10^k - 3^k)/7 is prime. A128026

Primes of the form T(k) + S(k) + 1 where T(k) is the k-th triangular number and S(k) is the k-th square number. A229080

Prime numbers preceded by two consecutive numbers which are products of four distinct primes (or tetraprimes). A361796

Cubes written in base 6. A4636

Primes whose digits can be rearranged to give the initial terms of the decimal expansion of π. A52493

a(n) = (n+10)!/10!. A51431

Number of length 4+5 0..n arrays with no consecutive six elements summing to more than 3·n. A242148