Properties of the Number 63811

Sixty-Three Thousand Eight Hundred Eleven

Basics

Value: 63810 → 63811 → 63812

Parity: odd

Prime: No

Previous Prime: 63809

Next Prime: 63823

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 11 × 5801

Divisors: 1, 11, 5801, 63811

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111100101000011

Octal: 174503

Duodecimal: 30B17

Hexadecimal: f943

Square: 4071843721

Square Root: 252.60839257633543

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) = m^^m mod 10^len(m), where m = A038399(n) and ^^ indicates tetration or hyper-4. A371720

a(n) = ∑_{k=0..floor(n/2)} n^k * binomial(2·n-2·k-1,n-2·k). A371836

Erroneous version of A008579. A63811

Array read by antidiagonals: Costs E[m,N] of m-ary Huffman trees of maximum height with N internal nodes (non-leaves) for minimizing absolutely ordered sequences of size n=2N+1; m > 1, N > 0. A98810