Properties of the Number 63880

Sixty-Three Thousand Eight Hundred Eighty

Basics

Value: 63879 → 63880 → 63881

Parity: even

Prime: No

Previous Prime: 63863

Next Prime: 63901

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 5 × 1597

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 1597, 3194

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111100110001000

Octal: 174610

Duodecimal: 30B74

Hexadecimal: f988

Square: 4080654400

Square Root: 252.74493071078598

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

Nonascending wiggly sums: number of sums adding to n in which terms alternately do not increase and do not decrease. A129853

Row 3 of A007754. A58794

a(n) = n³ - 3·n. A121670

a(n) = 2·a(n-1) - a(n-2) - a(n-4) with a(0) = a(1) = 0, a(2) = 1, a(3) = 2. A14292

G.f.: real part of 1/(1 - i·x - i·x²) where i=sqrt(-1). A201837

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

Numbers k such that 3^k + k³ is prime. A253471

Numbers k such that σ(k) = 2·usigma(k). A63880