Properties of the Number 66886

Sixty-Six Thousand Eight Hundred Eighty-Six

Basics

Value: 66885 → 66886 → 66887

Parity: even

Prime: No

Previous Prime: 66883

Next Prime: 66889

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 2 × 53 × 631

Divisors: 1, 2, 53, 106, 631, 1262, 33443, 66886

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010101000110

Octal: 202506

Duodecimal: 3285A

Hexadecimal: 10546

Square: 4473736996

Square Root: 258.62327814796566

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 k | 6^k + 6. A15892

Numbers k such that 9·10^k+1 is prime. A56797

Numbers with digits 6 and 8 only. A284635

Expansion of (1+11·x+24·x²+11·x³+x⁴)/(1-x)⁵. A294433

Triangle read by rows: the polynomial coefficients of the numerator of the rational solution of the linear recurrence equations of the rows of A371761. A371762

Sum of the elements in any transversal of a prime(n) X prime(n) array containing the numbers from 1 to prime(n)² in standard order. A66886