Properties of the Number 51550

Fifty-One Thousand Five Hundred Fifty

Basics

Value: 51549 → 51550 → 51551

Parity: even

Prime: No

Previous Prime: 51539

Next Prime: 51551

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 ² × 1031

Divisors: 1, 2, 5, 10, 25, 50, 1031, 2062, 5155, 10310

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100100101011110

Octal: 144536

Duodecimal: 259BA

Hexadecimal: c95e

Square: 2657402500

Square Root: 227.04625079485456

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 permutations of order n avoiding the consecutive pattern 12'1'2. A177473

a(0) = 1; a(n) = ∑_{k=0..floor((n-1)/3)} binomial(n,3·k+1) * a(k). A352879

Numerators in expansion of 1/(10+sqrt(36+x)). A51550