Properties of the Number 66701

Sixty-Six Thousand Seven Hundred One

Basics

Value: 66700 → 66701 → 66702

Parity: odd

Prime: Yes

Previous Prime: 66697

Next Prime: 66713

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 66701

Divisors: 1, 66701

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000010010001101

Octal: 202215

Duodecimal: 32725

Hexadecimal: 1048d

Square: 4449023401

Square Root: 258.26536740337446

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 that are the sum of the squares of three integers that form an arithmetic sequence with difference 7. A227994

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

Triangle giving number of nonisomorphic minimal covering designs with parameters (n, k, k-1) (designs achieving the covering number C(n,k,k-1) given in A066010), for n >= 2, 2 <= k <= n. A66701