Properties of the Number -13380

Thirteen Thousand Three Hundred Eighty

Basics

Value: -13381 → -13380 → -13379

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 5 × 223

Divisors: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11010001000100

Octal: -32104

Duodecimal: -78B0

Hexadecimal: -3444

Square: 179024400

Square Root: 115.67194992737004

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

Numbers that are the sum of 5 nonzero 8th powers. A3383

Expansion of 1/((1-x)⁵ - x⁵). A49016

a(n) = ∑_{k >= 0} binomial(n,5·k+4). A139761

a(n) = ∑_k>=0 binomial(n,5·k+2). A139714

Least positive integer m with prime(m)+2 and prime(prime(m))+2 both prime such that prime(m·n)+2 and prime(prime(m·n))+2 are both prime. A259487

Least k such that there are exactly A003586(n) ways to choose a binary index of each binary index of k. A368111

Sorted positions of first appearances in A368109 (number of ways to choose a binary index of each binary index). A368112

Expansion of the g.f. x/((1+2x)(1-x-x²)). A84179

a(n) = ∑_{k=0..floor(3·n/17)} binomial(3·n-16·k,k). A392352

McKay-Thompson series of class 20d for Monster. A58559