Properties of the Number 66318

Sixty-Six Thousand Three Hundred Eighteen

Basics

Value: 66317 → 66318 → 66319

Parity: even

Prime: No

Previous Prime: 66301

Next Prime: 66337

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 7 × 1579

Divisors: 1, 2, 3, 6, 7, 14, 21, 42, 1579, 3158

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000001100001110

Octal: 201416

Duodecimal: 32466

Hexadecimal: 1030e

Square: 4398077124

Square Root: 257.5228145232962

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

Column 1 of triangle A118032, where column 1 of the matrix square of A118032 forms a bisection of this sequence. A118034

Column 1 of triangle A118045; also equals a bisection of A118034, which is column 1 of A118032. A118047

Number of nondividing sets on {1,2,...,n}. A51014

G.f.: ∑_n>=0 (n+1)*(n+2)/2 * (x + xⁿ)ⁿ. A325998

Numbers n such that 167·2ⁿ-1 is prime. A50835

Indices of primes in the tribonacci-like sequence, A214825. A230016

Numbers b such that the base-b expansion of π has two equal digits immediately after the radix point. A374380

Number of necklaces with n labeled beads of 2 colors. A66318