Properties of the Number 51507

Fifty-One Thousand Five Hundred Seven

Basics

Value: 51506 → 51507 → 51508

Parity: odd

Prime: No

Previous Prime: 51503

Next Prime: 51511

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 59 × 97

Divisors: 1, 3, 9, 59, 97, 177, 291, 531, 873, 5723

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100100100110011

Octal: 144463

Duodecimal: 25983

Hexadecimal: c933

Square: 2652971049

Square Root: 226.95153667688615

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 n X 3 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 king-move adjacent elements, with upper left element zero. A298282

Indices of primes in sequence defined by A(0) = 53, A(n) = 10·A(n-1) - 27 for n > 0. A101568

Primes p such that p·q+2 is prime, where q is next prime after p. A51507

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 king-move adjacent elements, with upper left element zero. A298287

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero. A299180

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero. A299359

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A299942