Properties of the Number 85381

Eighty-Five Thousand Three Hundred Eighty-One

Basics

Value: 85380 → 85381 → 85382

Parity: odd

Prime: Yes

Previous Prime: 85369

Next Prime: 85411

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 85381

Divisors: 1, 85381

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100110110000101

Octal: 246605

Duodecimal: 414B1

Hexadecimal: 14d85

Square: 7289915161

Square Root: 292.20027378495047

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

First member of a prime quadruple in a 2p-1 progression. A57327

Smallest primes starting a complete three iterations Cunningham chain of the second kind. A110024

Number of Dyck n-paths all of whose ascents and descents have lengths equal to 1 (mod 8). A212367

Numbers k such that (greatest prime as sum of distinct divisors of k) < (greatest prime not greater sum of divisors of k). A85381