Properties of the Number 61666

Sixty-One Thousand Six Hundred Sixty-Six

Basics

Value: 61665 → 61666 → 61667

Parity: even

Prime: No

Previous Prime: 61657

Next Prime: 61667

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 11 × 2803

Divisors: 1, 2, 11, 22, 2803, 5606, 30833, 61666

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111000011100010

Octal: 170342

Duodecimal: 2B82A

Hexadecimal: f0e2

Square: 3802695556

Square Root: 248.32639811345067

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 having four 6's in base 10. A43516

Numbers k such that prime(k) + 1, ..., prime(k + 5) + 1 have the same number of prime divisors (with multiplicity). A255193

Continued fraction for π/e. A61666