Properties of the Number 85306

Eighty-Five Thousand Three Hundred Six

Basics

Value: 85305 → 85306 → 85307

Parity: even

Prime: No

Previous Prime: 85303

Next Prime: 85313

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 13 × 17 × 193

Divisors: 1, 2, 13, 17, 26, 34, 193, 221, 386, 442

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100110100111010

Octal: 246472

Duodecimal: 4144A

Hexadecimal: 14d3a

Square: 7277113636

Square Root: 292.07190895394234

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

a(n) = 4394·n + 1820. A156636

Principal diagonal of the convolution array A213555. A213556

Third column of triangle A028364. A67294

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 913", based on the 5-celled von Neumann neighborhood. A273768

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 23. A31611

Prime numbers such that first reversing digits and after squaring equals the result of first-squaring and after-reversing. Primes in A085305. A85306