Properties of the Number 64544

Sixty-Four Thousand Five Hundred Forty-Four

Basics

Value: 64543 → 64544 → 64545

Parity: even

Prime: No

Previous Prime: 64513

Next Prime: 64553

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁵ × 2017

Divisors: 1, 2, 4, 8, 16, 32, 2017, 4034, 8068, 16136

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111110000100000

Octal: 176040

Duodecimal: 31428

Hexadecimal: fc20

Square: 4165927936

Square Root: 254.05511213120667

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 k such that the value π(k), the number of primes <= k, can be obtained deleting some of the repeating adjacent digits of k. A113898

Biquanimous numbers (or biquams): group the digits into two pieces (not necessarily equal or in order) with the same sum. A64544

Number of nX6 0..1 arrays with every element equal to 0, 1 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero. A301882