Properties of the Number 56644

Fifty-Six Thousand Six Hundred Forty-Four

Basics

Value: 56643 → 56644 → 56645

Parity: even

Prime: No

Previous Prime: 56633

Next Prime: 56659

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 7 ² × 17 ²

Divisors: 1, 2, 4, 7, 14, 17, 28, 34, 49, 68

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1101110101000100

Octal: 156504

Duodecimal: 28944

Hexadecimal: dd44

Square: 3208542736

Square Root: 238

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

Numbers that are the squares of the product of three distinct primes. A162143

Squares whose arithmetic mean of digits is an integer (i.e., the sum of digits is a multiple of the number of digits). A69711

a(n) = (6·n + 4)². A16958

a(n) = (11·n + 7)². A17474

Squares with initial digit '5'. A45788

Squares such that digits of sqrt(n) are not present in n. A29784

Denominator of 1/49 - 1/n². A61048

Squares composed of digits {4,5,6}. A30176

A positive integer is included if it is a square that contains the same number of 0's as 1's when represented in binary. A164343

T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, with every occupancy equal to zero or two. A221275