Properties of the Number 66629

Sixty-Six Thousand Six Hundred Twenty-Nine

Basics

Value: 66628 → 66629 → 66630

Parity: odd

Prime: Yes

Previous Prime: 66617

Next Prime: 66643

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 66629

Divisors: 1, 66629

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000010001000101

Octal: 202105

Duodecimal: 32685

Hexadecimal: 10445

Square: 4439423641

Square Root: 258.1259382549534

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 which can be expressed as sum of distinct powers of 4. A77718

Beastly primes (version 2): primes containing 666 as a substring. A131645

Primes having only {2, 6, 9} as digits. A385788

Beastly primes (version 1): either 666 followed by 0's and a 1 or 7 at the right end or a palindrome with 666 in the center, 0's surrounding these digits, and 1 or 7 at both ends. A186086

a(n) = 2·Fibonacci(n+2) + ((-1)ⁿ - 3)/2. A66629

Numbers k such that (2·10^k - 113)/3 is prime. A291922