Properties of the Number 81707

Eighty-One Thousand Seven Hundred Seven

Basics

Value: 81706 → 81707 → 81708

Parity: odd

Prime: Yes

Previous Prime: 81703

Next Prime: 81727

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 81707

Divisors: 1, 81707

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011111100101011

Octal: 237453

Duodecimal: 3B34B

Hexadecimal: 13f2b

Square: 6676033849

Square Root: 285.84436324685504

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 whose consecutive digits differ by 6 or 7. A48418

Compressed discriminator of the factorial numbers. A272649

a(1) = 2; a(n + 1) = smallest prime > a(n) such that a(n + 1) - a(n) is the product of 10 primes. A285694

a(n) = τ(n) - bigomega(n) = A000005(n) - A001222(n). A81707