Properties of the Number 51057

Fifty-One Thousand Fifty-Seven

Basics

Value: 51056 → 51057 → 51058

Parity: odd

Prime: No

Previous Prime: 51047

Next Prime: 51059

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 31 × 61

Divisors: 1, 3, 9, 27, 31, 61, 93, 183, 279, 549

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100011101110001

Octal: 143561

Duodecimal: 25669

Hexadecimal: c771

Square: 2606817249

Square Root: 225.95796069180656

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

Numerators of coefficients in series expansion of -512*(1+x)³/(x-8)³. A66414

Number of (n+1) X 5 0..2 arrays with every 2 X 2 subblock commuting with each of its horizontal and vertical 2 X 2 subblock neighbors. A186467

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock commuting with each of its horizontal and vertical 2X2 subblock neighbors. A186472

T(n,m)=Number of (n+1)X5 0..m arrays with every 2X2 subblock commuting with each of its horizontal and vertical 2X2 subblock neighbors. A189174

Record subsequence of b(3k+1), b()=A048142(). A51057