Properties of the Number 91986

Ninety-One Thousand Nine Hundred Eighty-Six

Basics

Value: 91985 → 91986 → 91987

Parity: even

Prime: No

Previous Prime: 91969

Next Prime: 91997

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 15331

Divisors: 1, 2, 3, 6, 15331, 30662, 45993, 91986

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110011101010010

Octal: 263522

Duodecimal: 45296

Hexadecimal: 16752

Square: 8461424196

Square Root: 303.29193856744695

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

Least positive integer k such that prime(prime(k)), prime(prime(k·n)), prime(p) and prime(q) form a 4-term arithmetic progression for some pair of primes p and q. A261462

a(0)=1, a(n) = sigma₃(2n). A91986