Properties of the Number 64896

Sixty-Four Thousand Eight Hundred Ninety-Six

Basics

Value: 64895 → 64896 → 64897

Parity: even

Prime: No

Previous Prime: 64891

Next Prime: 64901

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 2 ⁷ × 3 × 13 ²

Divisors: 1, 2, 3, 4, 6, 8, 12, 13, 16, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111110110000000

Octal: 176600

Duodecimal: 31680

Hexadecimal: fd80

Square: 4211490816

Square Root: 254.74693324945054

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

Numbers k > 1 such that, in base 7, k and k² contain the same digits in the same proportion. A61661

a(n) = numerator of sum of reciprocals of the terms of the continued fraction for H(n) = ∑_k=1..n 1/k. A112286

Irregular triangle read by rows: T(n,k) (n >= 1, k >= n+1) is the number of cells with k vertices in the dissection of an n-dimensional cube by all the hyperplanes that pass through any n vertices. A333543

Numbers with prime factorization pq^2r^7. A190466

Array read by antidiagonals: A(n, L) is the number of closed walks of length 2L along the edges of an n-cube based at a vertex, for n >= 1 and L >= 1. A286899

A(n, k) = (m·k)! [x^k] MittagLefflerE(m, x)ⁿ, for m = 2, n >= 0, k >= 0; square array read by descending antidiagonals. A326476

Number of 4Xn 0..2 arrays with no element equal to any value at offset (-2,0) (-1,2) or (0,-2) and new values introduced in order 0..2. A275567

Expansion of e.g.f.: exp(arctan(x)+tan(x))=1+2·x+4/2!*x²+8/3!*x³+16/4!*x⁴+72/5!*x⁵... A12997

sinh(arctan(x)+tan(x))=2·x+8/3!*x³+72/5!*x⁵+3040/7!*x⁷... A13002

Odd numbers m whose abundance by absolute value is at most 10, that is, -10 <= σ(m) - 2m <= 10. A77374