Properties of the Number 12286

Twelve Thousand Two Hundred Eighty-Six

Basics

Value: 12285 → 12286 → 12287

Parity: even

Prime: No

Previous Prime: 12281

Next Prime: 12289

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 6143

Divisors: 1, 2, 6143, 12286

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111111111110

Octal: 27776

Duodecimal: 713A

Hexadecimal: 2ffe

Square: 150945796

Square Root: 110.84223021935277

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(2·n) = 3·2ⁿ - 2; a(2·n+1) = 2ⁿ⁺² - 2. A27383

a(n) = 3·2ⁿ - 2. A33484

a(n) = B(2·n, 2)/B(2·n) (see formula section). A96045

Number of partitions of n such that the number of odd parts is not a part and the number of even parts is not a part. A240579

Floor(X/Y) where X = concatenation of the (n+1)-st even number through the (2n)-th even number and Y = concatenation of first n even numbers. A67091

a(n) = 6·n² + 3·n + 1. A85473

Number of cliques in the n-tetrahedral graph. A289837

Number of overpartitions of n minus the number of partitions of n. A230441

Add 1, double, add 1, double, etc. A83416

Smallest number that requires n iterations of the bi-unitary totient function (A116550) to reach 1. A5424