Properties of the Number -64856

Sixty-Four Thousand Eight Hundred Fifty-Six

Basics

Value: -64857 → -64856 → -64855

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 11 ² × 67

Divisors: 1, 2, 4, 8, 11, 22, 44, 67, 88, 121

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111110101011000

Octal: -176530

Duodecimal: -31648

Hexadecimal: -fd58

Square: 4206300736

Square Root: 254.66841186138495

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

Numerator of sum of reciprocals of first n pentatope numbers A000332. A118411

a(n) = (n-1)*(n-2)*(n²+9·n+12)/24. A323847

Number of ways to write n as an ordered sum of eight positive Fibonacci numbers (with a single type of 1). A357716

Number of length-n binary strings that are the concatenation of two nonempty palindromes. A370410

a(0) = 1; a(n) = n·a(n-1) + (1/n) * ∑_k=3..n (binomial(n,k) * k!)² * a(n-k) / k. A346372