Properties of the Number -28585

Twenty-Eight Thousand Five Hundred Eighty-Five

Basics

Value: -28586 → -28585 → -28584

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 5 × 5717

Divisors: 1, 5, 5717, 28585

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110111110101001

Octal: -67651

Duodecimal: -14661

Hexadecimal: -6fa9

Square: 817102225

Square Root: 169.07099100673656

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

Number of set partitions of [4n] into 4-element subsets {i, i+k, i+2k, i+3k} with 1<=k<=n. A337520

Number of partitions p of n such that (number of numbers in p of form 3k+1) = (number of numbers in p of form 3k+2). A241738

Numbers n such that 17, n, n+1 are the sides of a Heron triangle, i.e., a triangle with integer sides and integer area. A145820

Number of odd-length integer partitions of n with integer mean. A361656

Triangle read by rows: T(n,k) is the number of n-sided cycles with the property that one makes k turns to the right while following its edges. A365094

Numbers k for which there exists m such that the sum from 1 to m and the sum from m + 1 to k are both perfect squares. A388659

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 17. A31605