Properties of the Number 85091

Eighty-Five Thousand Ninety-One

Basics

Value: 85090 → 85091 → 85092

Parity: odd

Prime: Yes

Previous Prime: 85087

Next Prime: 85093

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 85091

Divisors: 1, 85091

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100110001100011

Octal: 246143

Duodecimal: 412AB

Hexadecimal: 14c63

Square: 7240478281

Square Root: 291.70361670709536

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 of the form A019565(2ⁿ-1-k)+A019565(k) with minimum k. A103785

Wieferich primes p to base p-th prime. A244546

Row 3 of A328464: a(n) = A276156(8n - 4) / 6. A328466

Primes p such that p⁴ + p +/- 1 are twin primes. A236951

Denominator of ∑_i=2..t (d(i)/d(i-1)-1), where d(1), ..., d(t) are the divisors of n. A85091

a(n) is the minimum k that makes primorial P(n)/A019565(k)+A019565(k) prime, k>=0, n>0. A103786