Properties of the Number 12287

Twelve Thousand Two Hundred Eighty-Seven

Basics

Value: 12286 → 12287 → 12288

Parity: odd

Prime: No

Previous Prime: 12281

Next Prime: 12289

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 11 × 1117

Divisors: 1, 11, 1117, 12287

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111111111111

Octal: 27777

Duodecimal: 713B

Hexadecimal: 2fff

Square: 150970369

Square Root: 110.84674104365901

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(0) = 1; for n > 0, a(n) = 3·2^n-1 - 1. A83329

a(2n) = 2·2ⁿ - 1, a(2n+1) = 3·2ⁿ - 1. A52955

a(0) = 0; for n > 0, a(n) = 3·2^n-1 - 1. A55010

a(n) = 3·2ⁿ - 1. A153893

a(0) = 1; a(n) = 3·2ⁿ - 1, for n > 0. A52940

Number of integer partitions of n whose parts are not in arithmetic progression. A389811

Numbers of the form i·4^j-1 (i=1..3, j >= 0). A180516

a(n) = (n+1)*2^n-1 - 1. A99035

Numbers of the form i·8^j-1 (i=1..7, j >= 0). A165804

Numbers of the form 3·2^{p - 1} - 1 where p is prime. A97743