Properties of the Number 56726

Fifty-Six Thousand Seven Hundred Twenty-Six

Basics

Value: 56725 → 56726 → 56727

Parity: even

Prime: No

Previous Prime: 56713

Next Prime: 56731

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 113 × 251

Divisors: 1, 2, 113, 226, 251, 502, 28363, 56726

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101110110010110

Octal: 156626

Duodecimal: 289B2

Hexadecimal: dd96

Square: 3217839076

Square Root: 238.1722066069003

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

The index of prime(n) in A337182. A338222

Number of nondecreasing -n..n vectors of length 3 whose dot product with some nonincreasing -n..n vector equals 3. A226400

Number of 5 X n binary arrays with rows and columns lexicographically nondecreasing and column sums nonincreasing. A266472

a(n) = one-half of the number of cells in the central rectangle of the graph described in row 2n+1 of A333288. A337640

Numbers k such that 9·10^k + R_k is prime, where R_k = 11...1 is the repunit (A002275) of length k. A56726

Number of 5X(n+1) 0..2 arrays with every 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors and no 2 X 2 subblock having the same number of counterclockwise edge increases as its vertical neighbors. A205740