Properties of the Number 12001

Twelve Thousand One

Basics

Value: 12000 → 12001 → 12002

Parity: odd

Prime: No

Previous Prime: 11987

Next Prime: 12007

Digit Sum: 4

Digital Root: 4

Palindrome: No

Factorization: 11 × 1091

Divisors: 1, 11, 1091, 12001

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111011100001

Octal: 27341

Duodecimal: 6B41

Hexadecimal: 2ee1

Square: 144024001

Square Root: 109.54907576059234

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) = (n³ + 2·n)/3. A6527

a(n) = (2·n+1)*(4·n²+4·n+3)/3. A57813

Centered 40-gonal numbers. A195317

Numbers in base -3. A73785

One third of product plus sum of three consecutive nonnegative integers; a(n)=(n+1)(n²+2n+3)/3. A167875

Triangle read by rows: T(n,k) = 30·k²*(n-k)² + 1; n >= 0, 0 <= k <= n. A300656

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock having the maximum of its diagonal elements greater than the absolute difference of its antidiagonal elements. A251167

Bases b where exactly seven primes p with p < b exist such that p is a base-b Wieferich prime. A325883

a(n) = 13·n² + 10·n + 1. A161587

Pseudoprimes to base 6, written in base 6. A262103