Properties of the Number 85401

Eighty-Five Thousand Four Hundred One

Basics

Value: 85400 → 85401 → 85402

Parity: odd

Prime: No

Previous Prime: 85381

Next Prime: 85411

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 3163

Divisors: 1, 3, 9, 27, 3163, 9489, 28467, 85401

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100110110011001

Octal: 246631

Duodecimal: 41509

Hexadecimal: 14d99

Square: 7293330801

Square Root: 292.23449488381755

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

G.f. satisfies: [x^n-1] A(x)^n² = (n!)² for n>=1. A263190

a(0) = 1; a(n+1) is the smallest positive number (of at most two) such that abs(a(n) - a(n+1)) is the smallest prime not occurring earlier as difference of successive terms and a(n) + a(n+1) is composite. A85401

a(n) = coefficient of xⁿ in the (3ⁿ)-th power of 1 + ∑_k>=0 x^{3^k} for n>=0. A168370