Properties of the Number 63900

Sixty-Three Thousand Nine Hundred

Basics

Value: 63899 → 63900 → 63901

Parity: even

Prime: No

Previous Prime: 63863

Next Prime: 63901

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 5 ² × 71

Divisors: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

603 Try Today's Challenge

Representations

Binary: 1111100110011100

Octal: 174634

Duodecimal: 30B90

Hexadecimal: f99c

Square: 4083210000

Square Root: 252.78449319529076

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

G.f.: exp(∑_k>=1 (5·k)!/k!⁵ * x^k/k). A333043

a(n) is the least positive integer k such that Mordell's equation y² = x³ - k has exactly n integer solutions with y >= 0. A392395

Numbers k such that sum of proper divisors or aliquot parts of k² (excluding 1) is a square, or A048050(k²) is a square. A63900

Smallest number with exactly n representations as sum of a squarefree number (A005117) and a square (A000290). A85264