Properties of the Number 56816

Fifty-Six Thousand Eight Hundred Sixteen

Basics

Value: 56815 → 56816 → 56817

Parity: even

Prime: No

Previous Prime: 56813

Next Prime: 56821

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 53 × 67

Divisors: 1, 2, 4, 8, 16, 53, 67, 106, 134, 212

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101110111110000

Octal: 156760

Duodecimal: 28A68

Hexadecimal: ddf0

Square: 3228057856

Square Root: 238.3610706470333

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) = least integer m such that the part after the decimal point of the n-th root of m starts with the digit 5. A34082

Symmetric difference of the primitive non-deficient numbers and the primitive Zumkeller numbers. A378538

Numbers that are primitive non-deficient, but not primitive Zumkeller. A378656

Numbers that are abundant (A005101) and have no Zumkeller divisors. A376879

Number of permutations (p(1),p(2),...,p(n)) of (1,2,...,n) such that p(i)-i is in {-2,-1,3} for all i=1,...,n. A79999

Cycle class sequence c(n) (number of true cycles of length n in which a certain node is included) for zeolite NON = Nonasil-[ 4158 ] [Si88O176].4R starting with a T1 atom. A19209

From solution to a counting problem. A59775

Primes in the tribonacci sequence A000213. A56816

Characteristic function for numbers that have Zumkeller divisors. A378539