Properties of the Number 63881

Sixty-Three Thousand Eight Hundred Eighty-One

Basics

Value: 63880 → 63881 → 63882

Parity: odd

Prime: No

Previous Prime: 63863

Next Prime: 63901

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 127 × 503

Divisors: 1, 127, 503, 63881

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111100110001001

Octal: 174611

Duodecimal: 30B75

Hexadecimal: f989

Square: 4080782161

Square Root: 252.74690898208826

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

First differences of A073708. A73709

Expansion of 1/(1 - x) * ∏_k>=0 1/(1 - x^{2^k})^{2^(k+1}). A321335

Numbers n such that n and the four successive integers produce primes if substituted for·in the polynomial 5x²+5x+1. See A090562, A090563. Terms show that longer similar chains also exist. A90100

a(n) = 42·n² - 1. A158626

Number of oriented trees rooted at an arc. A63881