Properties of the Number 63845

Sixty-Three Thousand Eight Hundred Forty-Five

Basics

Value: 63844 → 63845 → 63846

Parity: odd

Prime: No

Previous Prime: 63841

Next Prime: 63853

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 5 × 113 ²

Divisors: 1, 5, 113, 565, 12769, 63845

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111100101100101

Octal: 174545

Duodecimal: 30B45

Hexadecimal: f965

Square: 4076184025

Square Root: 252.67568145747623

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

Triangle read by rows: T(n,k) is the number of strongly connected oriented graphs on n unlabeled nodes with k arcs, n >= 1, k = 0..n*(n-1)/2. A350750

Binomial transform of the Tower of Hanoi sequence. A106461

Let p = n-th prime == 3 mod 8; a(n) = sum of quadratic nonresidues mod p that are > p/2. A282725

a(n) = σ(usigma(n)), where usigma(n) is the sum of unitary divisors of n (A034448) and σ(n) is the sum of the divisors (A000203). A63845