Properties of the Number 66568

Sixty-Six Thousand Five Hundred Sixty-Eight

Basics

Value: 66567 → 66568 → 66569

Parity: even

Prime: No

Previous Prime: 66553

Next Prime: 66569

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 53 × 157

Divisors: 1, 2, 4, 8, 53, 106, 157, 212, 314, 424

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010000001000

Octal: 202010

Duodecimal: 32634

Hexadecimal: 10408

Square: 4431298624

Square Root: 258.00775182152955

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 k such that A144264(k) = A144264(k+1). A144359

Expansion of ∑_k>=0 (x * (2 + x^k))^k. A360771

a(n) = n - sum of digits of n. A66568

Number of (n+2)X4 binary arrays with each 3X3 subblock singular. A186045