Properties of the Number 132

One Hundred Thirty-Two

Basics

Value: 131 → 132 → 133

Parity: even

Prime: No

Previous Prime: 131

Next Prime: 137

Digit Sum: 6

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 11

Divisors: 1, 2, 3, 4, 6, 11, 12, 22, 33, 44

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000100

Octal: 204

Duodecimal: B0

Hexadecimal: 84

Square: 17424

Square Root: 11.489125293076057

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

Catalan numbers: C(n) = binomial(2n,n)/(n+1) = (2n)!/(n!(n+1)!). A108

Oblong (or promic, pronic, or heteromecic) numbers: a(n) = n*(n+1). A2378

Numbers that are not squarefree. Numbers that are divisible by a square greater than 1. The complement of A005117. A13929

Quarter-squares: a(n) = floor(n/2)*ceiling(n/2). Equivalently, a(n) = floor(n²/4). A2620

Abundant numbers (sum of divisors of m exceeds 2m). A5101

Numbers in base 5. A7091

Numbers in base 4. A7090

Niven (or Harshad, or harshad) numbers: numbers that are divisible by the sum of their digits. A5349

a(n) = 3·n. A8585

Numbers k such that the k-th composition in standard order is an anti-run (no adjacent equal parts). A333489

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