Properties of the Number 51131

Fifty-One Thousand One Hundred Thirty-One

Basics

Value: 51130 → 51131 → 51132

Parity: odd

Prime: Yes

Previous Prime: 51109

Next Prime: 51133

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 51131

Divisors: 1, 51131

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100011110111011

Octal: 143673

Duodecimal: 2570B

Hexadecimal: c7bb

Square: 2614379161

Square Root: 226.1216486761053

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 face-connected components of irregular pyramidal cells in the square quarter pyramidille up to translation, rotation, and reflection of the honeycomb. A385275

Base-6 pandigital primes: primes having at least one of each digit 0,1,2,3,4,5 when written in base 6. A175278

Numbers such that the digital sums in bases 2, 3, 5 and 7 all are equal. A135127

Primes with all odd digits such that the next three primes also contain all odd digits. A68831

Primes with all odd digits such that the next four primes also contain all odd digits. A68832

Lesser prime factor of semiprimes in A089542. A89543

Primes that are palindromic in factorial base. A333421

a(n) = floor(n*(n-1)*(n-2)*(n-3)/31). A11941

a(n) = 6·n³ - 263·n² + 3469·n - 12841. A218457

Lower twin prime-indexed primes in the sequence of prime(prime(i)). A228054