Properties of the Number 51512

Fifty-One Thousand Five Hundred Twelve

Basics

Value: 51511 → 51512 → 51513

Parity: even

Prime: No

Previous Prime: 51511

Next Prime: 51517

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 47 × 137

Divisors: 1, 2, 4, 8, 47, 94, 137, 188, 274, 376

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100100100111000

Octal: 144470

Duodecimal: 25988

Hexadecimal: c938

Square: 2653486144

Square Root: 226.96255197719293

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 binary strings of length n with no substrings equal to 0001 0011 or 0111. A164455

Number of n X n binary matrices containing no more than six 1s in any 3 X 3 sub-block. A140309

a(n) = floor(tan(prime(n))). A51512

Triangle T(n,m) of the coefficients [x^m] of the polynomial ((x-1)*(x+2)*(x+1))ⁿ, 0<=m<=3n. A166235