Properties of the Number 66751

Sixty-Six Thousand Seven Hundred Fifty-One

Basics

Value: 66750 → 66751 → 66752

Parity: odd

Prime: Yes

Previous Prime: 66749

Next Prime: 66763

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 66751

Divisors: 1, 66751

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010010111111

Octal: 202277

Duodecimal: 32767

Hexadecimal: 104bf

Square: 4455696001

Square Root: 258.3621489305274

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

Primes 8k + 7 at the end of the maximal gaps in A269519. A269521

Number of length n arrays of permutations of 0..n-1 with each element moved by -7 to 7 places and the average of every three consecutive elements is never greater than the median of the previous three elements. A263733

Primes which contain the fax number of the beast (667). A321001

Triangular numbers whose reverse is prime. A66751