Properties of the Number 66337

Sixty-Six Thousand Three Hundred Thirty-Seven

Basics

Value: 66336 → 66337 → 66338

Parity: odd

Prime: Yes

Previous Prime: 66301

Next Prime: 66343

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 66337

Divisors: 1, 66337

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001100100001

Octal: 201441

Duodecimal: 32481

Hexadecimal: 10321

Square: 4400597569

Square Root: 257.55970181687974

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

Expansion of (1 - 2·x + x² - x⁴ + x³ + x⁵)/((1 - x)²*(1 - 2·x + x³ - x⁴)). A290987

Primes p = prime(k) such that prime(k) + prime(k+7) = prime(k+1) + prime(k+6) = prime(k+2) + prime(k+5) = prime(k+3) + prime(k+4). A64102

a(n) = A077696(n+1)/A077696(n). A77697

Primary Carmichael numbers. A324316

Terms of A324315 (squarefree integers m > 1 such that if prime p divides m, then the sum of the base p digits of m is at least p) that are also hexagonal numbers (A000384) with index equal to their largest prime factor. A324319

Least k > 2 such that (n^k - 1)/(n-1) is prime, or 0 if no such prime exists. A128164

Decimal equivalent of A066327. A66337

Numbers k such that (199·10^k + 11)/3 is prime. A286092