Properties of the Number 64144

Sixty-Four Thousand One Hundred Forty-Four

Basics

Value: 64143 → 64144 → 64145

Parity: even

Prime: No

Previous Prime: 64123

Next Prime: 64151

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ⁴ × 19 × 211

Divisors: 1, 2, 4, 8, 16, 19, 38, 76, 152, 211

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111101010010000

Octal: 175220

Duodecimal: 31154

Hexadecimal: fa90

Square: 4114452736

Square Root: 253.26665789242767

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

a(n) = floor(c·s*a(n-1)) + floor(d·r*a(n-2)), where r = 2 + sqrt(5), s = r/(r-1), c = 4, d = 1, a(0) = 1, a(1) = 1. A275861

Triangle T(n,k) (n >= 2, 1 <= k <= n) read by rows: (1/2) times number of linearly inducible orderings of n points in k-dimensional Euclidean space. A87644

Coefficients of ζ(2·n+1) in a certain integer relation involving Ramanujan exponential-type sums. A119543

G.f. A(x) satisfies: [x^n-1] (1 + x·A(x)ⁿ)ⁿ / A(x)ⁿ = 0 for n>1. A303063

a(n) is the number of divisors of n!+1. A64144