Properties of the Number 85409

Eighty-Five Thousand Four Hundred Nine

Basics

Value: 85408 → 85409 → 85410

Parity: odd

Prime: No

Previous Prime: 85381

Next Prime: 85411

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 223 × 383

Divisors: 1, 223, 383, 85409

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100110110100001

Octal: 246641

Duodecimal: 41515

Hexadecimal: 14da1

Square: 7294697281

Square Root: 292.2481822013612

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

Sum of three solutions of the Diophantine equation x² - y² = z³. A85409

Length of period of sequence starting with a(1)=prime(n), a(2)=prime(n+1) and a(n>2) = 2(gpf(a(n-1))+gpf(a(n-2)))+1, where gpf(m) is the greatest prime factor of m. A202397