Properties of the Number 56122

Fifty-Six Thousand One Hundred Twenty-Two

Basics

Value: 56121 → 56122 → 56123

Parity: even

Prime: No

Previous Prime: 56113

Next Prime: 56123

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 11 × 2551

Divisors: 1, 2, 11, 22, 2551, 5102, 28061, 56122

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101101100111010

Octal: 155472

Duodecimal: 2858A

Hexadecimal: db3a

Square: 3149678884

Square Root: 236.90082313069323

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

Expansion of e.g.f. (1 + x * (exp(x) - 1))². A377646

Number of nX6 0..1 arrays with every element equal to 0, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. A299579

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. A299581

a(n) = (8·n+9)*C(n+8,8)/9. A56122