Properties of the Number 86031

Eighty-Six Thousand Thirty-One

Basics

Value: 86030 → 86031 → 86032

Parity: odd

Prime: No

Previous Prime: 86029

Next Prime: 86069

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 11 ² × 79

Divisors: 1, 3, 9, 11, 33, 79, 99, 121, 237, 363

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101000000001111

Octal: 250017

Duodecimal: 41953

Hexadecimal: 1500f

Square: 7401332961

Square Root: 293.31041577141445

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

Numbers k such that k⁴⁰⁹⁶ + (k+1)⁴⁰⁹⁶ is prime. A274236

Numbers k such that k-1, k and k+1 are all composite with four, five and six (not necessarily distinct) prime factors respectively. A342246

Numbers k that divide the k-th little Schroeder number. A372903

G.f. A(x) satisfies [x^2·n] A(x)^5·n = -5 and [x^2·n+1] A(x)^5·n+2 = [x^2·n+1] A(x)^5·n+3 for n >= 1. A377096

Number of nonisomorphic ways a loop can cross two parallel roads 2n times. A86031

Number of nX8 binary arrays with each 1 adjacent to exactly one 0 vertically and one 0 horizontally. A183350