Properties of the Number 56705

Fifty-Six Thousand Seven Hundred Five

Basics

Value: 56704 → 56705 → 56706

Parity: odd

Prime: No

Previous Prime: 56701

Next Prime: 56711

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 5 × 11 × 1031

Divisors: 1, 5, 11, 55, 1031, 5155, 11341, 56705

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101110110000001

Octal: 156601

Duodecimal: 28995

Hexadecimal: dd81

Square: 3215457025

Square Root: 238.12811677750278

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 satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=2, r=3, I={-1,0,2}. A80001

Number of active (ON, black) cells at stage 2ⁿ-1 of the two-dimensional cellular automaton defined by "Rule 35", based on the 5-celled von Neumann neighborhood. A269815

Numbers k such that 3·10^k + 7·R_k is prime, where R_k = 11...1 is the repunit (A002275) of length k. A56705