Properties of the Number 66623

Sixty-Six Thousand Six Hundred Twenty-Three

Basics

Value: 66622 → 66623 → 66624

Parity: odd

Prime: No

Previous Prime: 66617

Next Prime: 66629

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 17 × 3919

Divisors: 1, 17, 3919, 66623

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010000111111

Octal: 202077

Duodecimal: 3267B

Hexadecimal: 1043f

Square: 4438624129

Square Root: 258.11431575950996

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

Interprimes which are of the form s·prime, s=17. A75292

Number of Dumont permutations of the first kind of length 2n avoiding the patterns 2413 and 4132. Also number of Dumont permutations of the first kind of length 2n avoiding the patterns 1423 and 3142. A125188

Concatenation of squares in increasing order up to the n-th and then in decreasing order. A66623