Properties of the Number 13312

Thirteen Thousand Three Hundred Twelve

Basics

Value: 13311 → 13312 → 13313

Parity: even

Prime: No

Previous Prime: 13309

Next Prime: 13313

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 ¹⁰ × 13

Divisors: 1, 2, 4, 8, 13, 16, 26, 32, 52, 64

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11010000000000

Octal: 32000

Duodecimal: 7854

Hexadecimal: 3400

Square: 177209344

Square Root: 115.37764081484765

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) = (n+2)*2^n-1. A1792

11-almost primes (generalization of semiprimes). A69272

Triangle of coefficients of Chebyshev polynomials T_n(x). A8310

Coefficients of Chebyshev polynomials of the first kind: triangle of coefficients in expansion of cos(n·x) in descending powers of cos(x). A28297

Number of compositions of n where differences between neighboring parts are in {-1,1}. A173258

Number of inseparable multisets of size n covering an initial interval of positive integers. A336102

Norm of the sum of divisors function σ(n) generalized for Gaussian integers. A103230

Number of multisets of size n that have no alternating permutations and cover an initial interval of positive integers. A349050

a(n) = ∑_{d∣n, n/d=1 mod 4} d³ - ∑_{d∣n, n/d=3 mod 4} d³. A50471

Numbers of the form (2ⁱ)*(13^j). A107326