Properties of the Number 66356

Sixty-Six Thousand Three Hundred Fifty-Six

Basics

Value: 66355 → 66356 → 66357

Parity: even

Prime: No

Previous Prime: 66347

Next Prime: 66359

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 53 × 313

Divisors: 1, 2, 4, 53, 106, 212, 313, 626, 1252, 16589

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000001100110100

Octal: 201464

Duodecimal: 32498

Hexadecimal: 10334

Square: 4403118736

Square Root: 257.59658382827985

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 that are the sum of seven fourth powers in exactly ten ways. A345832

Triangle read by rows: T(n,k) is the number of paths in the first quadrant from (0,0) to (n,0), consisting of steps U=(1,1), D=(1,-1), h=(1,0) and H=(2,0), having k doublerises (i.e., UU's) (0 <= k <= floor(n/2) - 1 for n >= 2). A132279

Expansion of (4·x³-6·x²+4·x-1)/(5·x³-8·x²+5·x-1). A243633

Numerator of sequence defined by recursion c(n) = 1 + c(n-2) / c(n-1), c(0) = 0, c(1) = 1. A66356