Properties of the Number 51667

Fifty-One Thousand Six Hundred Sixty-Seven

Basics

Value: 51666 → 51667 → 51668

Parity: odd

Prime: No

Previous Prime: 51659

Next Prime: 51673

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 7 × 11 ² × 61

Divisors: 1, 7, 11, 61, 77, 121, 427, 671, 847, 4697

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100100111010011

Octal: 144723

Duodecimal: 25A97

Hexadecimal: c9d3

Square: 2669478889

Square Root: 227.30376151749007

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 repdigits in base 9. A48334

Expansion of g.f. (1+4·x)/((1-x)*(1+x)*(1-3·x)). A85287

Non-Brauer numbers. A349044

Base 3 digits are, in order, the first n terms of the periodic sequence with initial period 2,1. A37488

Partial sums of economical numbers A046759. A172460

a(n) = 6·2ⁿ - 4·n - 6. A51667