Properties of the Number 64025

Sixty-Four Thousand Twenty-Five

Basics

Value: 64024 → 64025 → 64026

Parity: odd

Prime: No

Previous Prime: 64019

Next Prime: 64033

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 ² × 13 × 197

Divisors: 1, 5, 13, 25, 65, 197, 325, 985, 2561, 4925

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111101000011001

Octal: 175031

Duodecimal: 31075

Hexadecimal: fa19

Square: 4099200625

Square Root: 253.03161857759991

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

Sum of distinct residues of all factorials mod 2ⁿ. A210337

Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 3,1 4,1 5,2 5,3 polyhexes in any orientation on a planar nXnXn triangular grid. A155346

Length of period of the continued fraction for sqrt(n!). A64025