Properties of the Number 12086

Twelve Thousand Eighty-Six

Basics

Value: 12085 → 12086 → 12087

Parity: even

Prime: No

Previous Prime: 12073

Next Prime: 12097

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 6043

Divisors: 1, 2, 6043, 12086

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10111100110110

Octal: 27466

Duodecimal: 6BB2

Hexadecimal: 2f36

Square: 146071396

Square Root: 109.93634521849451

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

Positive integers k such that k!!! - 1 = A007661(k) - 1 is prime. A84438

Number of partitions of n whose median is a part. A238478

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00010101 or 01010101. A259742

G.f. satisfies: A(x) = P(x·A(x))² where A(x/P(x)²) = P(x)² and P(x) is the g.f. for Partition numbers (A000041). A171803

The sums of pairs of adjacent terms are the odd palindromic primes in ascending order. A181883

Expansion of (1-x)^-1/(1-x-2·x²+x³). A77865

Numbers k such that the continued fraction for sqrt(k) has period 98. A20437

Ramanujan numbers (A000594) read mod 16384. A126824

Number of (n+2) X (5+2) 0..1 arrays with each 3 X 3 subblock having clockwise perimeter pattern 00010101 or 01010101. A259739

Number of (n+2) X (6+2) 0..1 arrays with each 3 X 3 subblock having clockwise perimeter pattern 00010101 or 01010101. A259740