Properties of the Number -97687

Ninety-Seven Thousand Six Hundred Eighty-Seven

Basics

Value: -97688 → -97687 → -97686

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 37

Digital Root: 1

Palindrome: No

Factorization: 97687

Divisors: 1, 97687

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10111110110010111

Octal: -276627

Duodecimal: -48647

Hexadecimal: -17d97

Square: 9542749969

Square Root: 312.5491961275857

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 are divisors of numbers of the form (2^φ(3^k) - 1)/3^k. A152008

Numbers k such that 2^{3^j} == 1 (mod k) for some j. A318688

a(n) = (1/2) * ∑_k>=0 (2·k + n)ⁿ / 2^k. A337027