Properties of the Number 5985

Five Thousand Nine Hundred Eighty-Five

Basics

Value: 5984 → 5985 → 5986

Parity: odd

Prime: No

Previous Prime: 5981

Next Prime: 5987

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 7 × 19

Divisors: 1, 3, 5, 7, 9, 15, 19, 21, 35, 45

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1011101100001

Octal: 13541

Duodecimal: 3569

Hexadecimal: 1761

Square: 35820225

Square Root: 77.36278174936577

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

Binomial coefficient binomial(n,4) = n*(n-1)*(n-2)*(n-3)/24. A332

Odd abundant numbers (odd numbers m whose sum of divisors exceeds 2m). A5231

Octagonal pyramidal numbers: a(n) = n*(n+1)*(2·n-1)/2. A2414

12-gonal (or dodecagonal) numbers: a(n) = n*(5·n-4). A51624

Number of intersections of diagonals in the interior of a regular n-gon. A6561

Odd primitive abundant numbers. A6038

a(n) = floor(n(n+2)(2n+1)/8). A2717

Irregular triangle read by rows where T(n,k) is the number of labeled loop-graphs covering n vertices with k edges. A369199

Generalized 28-gonal (or icosioctagonal) numbers: m*(13·m - 12) with m = 0, +1, -1, +2, -2, +3, -3, ... A303812

Triangle of even numbered entries of odd numbered rows of Pascal's triangle A007318. A91042