Properties of the Number 50138

Fifty Thousand One Hundred Thirty-Eight

Basics

Value: 50137 → 50138 → 50139

Parity: even

Prime: No

Previous Prime: 50131

Next Prime: 50147

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 11 × 43 × 53

Divisors: 1, 2, 11, 22, 43, 53, 86, 106, 473, 583

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100001111011010

Octal: 141732

Duodecimal: 25022

Hexadecimal: c3da

Square: 2513819044

Square Root: 223.91516250580264

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

a(n) = ∑_{k=0..floor(n/4)} binomial(n-3·k,k) * binomial(2*(n-4·k),n-4·k). A383582

Start of a triple of consecutive squarefree numbers each of which has exactly 4 distinct prime factors. A242607

a(n) = floor(exp(n/π)). A62121

Number of n-digit base-7 deletable primes. A96240

a(1)=2, a(2)=6. For n >= 2, a(n) = floor(a(n-1)/2) if this is not among 0,a(1),...,a(n-1); otherwise a(n) = 3·n. A50138