Properties of the Number 63904

Sixty-Three Thousand Nine Hundred Four

Basics

Value: 63903 → 63904 → 63905

Parity: even

Prime: No

Previous Prime: 63901

Next Prime: 63907

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ⁵ × 1997

Divisors: 1, 2, 4, 8, 16, 32, 1997, 3994, 7988, 15976

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111100110100000

Octal: 174640

Duodecimal: 30B94

Hexadecimal: f9a0

Square: 4083721216

Square Root: 252.79240494919938

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

Expansion of e.g.f. 1/(1 - 3·sinh(x))^1/3. A385305

G.f. A(x) satisfies A(x) = 1/A(-x·A(x)) such that [x^2·n+1] A(x)ⁿ = 0 for n >= 0, with A(0) = A'(0) = 1. A377251

a(1) = 2, a(2) = 3 and a(k+1) is the least prime not already chosen that divides some a(i)*a(j)+1, where 1<=i<j<=k. A63904