Properties of the Number 51711

Fifty-One Thousand Seven Hundred Eleven

Basics

Value: 51710 → 51711 → 51712

Parity: odd

Prime: No

Previous Prime: 51691

Next Prime: 51713

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 11 × 1567

Divisors: 1, 3, 11, 33, 1567, 4701, 17237, 51711

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100100111111111

Octal: 144777

Duodecimal: 25B13

Hexadecimal: c9ff

Square: 2674027521

Square Root: 227.4005277038732

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) = 2·a(n-1) + 1 for a(n-1) not prime, otherwise a(n) = prime(n) - 1; with a(1)=1. A374965

Composite numbers k coprime to 13 such that k divides A006190(k) - Kronecker(13,k). A327654

Least positive integer k such that both k and k·n belong to the set {m>0: 2·prime(prime(m))+1 = prime(p) for some prime p}. A261362

Number of n X 4 0..1 arrays with every element unequal to 0, 1, 2, 4 or 7 king-move adjacent elements, with upper left element zero. A304844

T(n,k) = Number of n X k 0..1 arrays with every element unequal to 0, 1, 2, 4 or 7 king-move adjacent elements, with upper left element zero. A304848

a(0) = 1; for n > 0, a(n) = n!*4ⁿ/2. A51711