Properties of the Number 12132

Twelve Thousand One Hundred Thirty-Two

Basics

Value: 12131 → 12132 → 12133

Parity: even

Prime: No

Previous Prime: 12119

Next Prime: 12143

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 337

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 36, 337

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111101100100

Octal: 27544

Duodecimal: 7030

Hexadecimal: 2f64

Square: 147185424

Square Root: 110.14535850411491

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

Sum of cubes of first n Fibonacci numbers. A5968

Numbers k with exactly three distinct prime factors and such that cototient(k) is a square. A306670

Triangle formed by coefficients of the expansion of p(x, n), where p(x,n) = (1+x-x²)ⁿ⁺¹*∑_{j >= 0} (j+1)ⁿ*(-x + x²)^j. A156890

∑_0<j<k<=n P(k)-P(j), where P(j)=A065091(j) is the j-th odd prime. A206803

Sizes of successive increasing gaps between 2-pseudoprimes. A175738

Triangle read by rows: T(n,k) is the number of involutions of {1,2,...,n} having k descents (n >= 1; 0 <= k < n). A161126

Words over an alphabet of size 9 that are in standard order with at least one letter repeated. A273977

Number of ordered triples (w,x,y) with all terms in {1,...,n} and w²+x²+y²>n. A211640

Number of ordered triples (w,x,y) with all terms in {1,...,n} and w²+x²+y²>=n. A211641

a(n) = A259708(n,n-1). A259709