Properties of the Number -308880

Three Hundred Eight Thousand Eight Hundred Eighty

Basics

Value: -308881 → -308880 → -308879

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ⁴ × 3 ³ × 5 × 11 × 13

Divisors: 1, 2, 3, 4, 5, 6, 8, 9, 10, 11

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001011011010010000

Octal: -1133220

Duodecimal: -12A900

Hexadecimal: -4b690

Square: 95406854400

Square Root: 555.7697364916518

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! * Catalan(n+1). A65866

Number T(n,k) of length 2n k-ary words, either empty or beginning with the first letter of the alphabet and using each letter at least once, that can be built by repeatedly inserting doublets into the initially empty word; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A256116

Primitive 4-abundant numbers: Numbers k such that σ(k) > 4k (A068404) all of whose proper divisors d are 4-deficient numbers (having σ(d) < 4d). A307114

a(n) = denominator of ∑_k=1..n k^μ(n+1-k), where μ(m) = A008683(m). A130492

Primitive terms of A023198: numbers k with the property σ(k)/k >= 4 that are not divisible by any other number with that property. A392936

Triangle read by rows: see A128196 for definition. A126063

a(n) is the denominator of ∑_{primes p < n} 1/(n-p). A305702

Numbers that are product of a hexagonal number (A000384) and a square pyramidal numbers (A000330) in at least two ways. A306121