Properties of the Number 66683

Sixty-Six Thousand Six Hundred Eighty-Three

Basics

Value: 66682 → 66683 → 66684

Parity: odd

Prime: Yes

Previous Prime: 66653

Next Prime: 66697

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 66683

Divisors: 1, 66683

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010001111011

Octal: 202173

Duodecimal: 3270B

Hexadecimal: 1047b

Square: 4446622489

Square Root: 258.2305171740939

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

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

Primes having only {3, 6, 8} as digits. A385791

Smallest prime divisor of Kummer numbers ( = primorials - 1), or 1 if no such prime exists. A57713

a(n) is the least prime following A002280[n] repdigits. A99660

Smallest prime p > 2ⁿ such that none of p -+ 2⁰, p -+ 2¹, p -+ 2², ..., p -+ 2ⁿ are prime. A289154

Primes having only {0, 3, 6, 8} as digits. A386066

Number of strings of numbers x(i=1..8) in 0..n with sum i·x(i)⁴ equal to 8·n⁴. A184852

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

Number of badly sieved numbers <= n. A66683

Numbers k such that (2·10^k + 49)/3 is prime. A280060