Properties of the Number 82985

Eighty-Two Thousand Nine Hundred Eighty-Five

Basics

Value: 82984 → 82985 → 82986

Parity: odd

Prime: No

Previous Prime: 82981

Next Prime: 82997

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 5 × 7 × 2371

Divisors: 1, 5, 7, 35, 2371, 11855, 16597, 82985

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100010000101001

Octal: 242051

Duodecimal: 40035

Hexadecimal: 14429

Square: 6886510225

Square Root: 288.07117176142424

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

Inverse Euler transform of the Moebius function A008683. A320781

Triangle read by rows. Number T(n, k) of partitions of the multiset [1, 1, 1, 2, 2, 2, ..., n, n, n] into k nonempty subsets, for 3 <= k <= 3n. A360037

Dirichlet convolution of [ 1,1,1,... ] with Ramanujan numbers (A000594). A34777

Number of nonempty subsets of {1, 2, ..., n} with <=6 pairwise coprime elements. A187267

Coefficient table for Chebyshev's U(2·n,x) polynomial expanded in decreasing powers of (-4*(1-x²)). A82985