Properties of the Number -28915

Twenty-Eight Thousand Nine Hundred Fifteen

Basics

Value: -28916 → -28915 → -28914

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 × 5783

Divisors: 1, 5, 5783, 28915

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111000011110011

Octal: -70363

Duodecimal: -14897

Hexadecimal: -70f3

Square: 836077225

Square Root: 170.0441119239358

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 partitions of n into decimal palindromes. A91580

Wiener index of a benzenoid consisting of a double-step zig-zag chain of n hexagons (n >= 2, s = 2123; see the Gutman et al. reference). A193395

Number of partitions of n into decimal repdigit numbers. A88669

Fourth convolution of A001045(n+1) (generalized (1,2)-Fibonacci), n>=0, with itself. A73374

Number of Lyndon compositions (aperiodic necklaces of positive integers) with sum n and successive parts (including the last with the first part) being indivisible. A318746

Number of partitions of n in which the number of prime parts is not equal to the number of nonprime parts. A355306

Number of partitions of the n-th decimal palindrome into decimal palindromes. A91584

Number of partitions of n into parts not of the form 23k, 23k+2 or 23k-2. Also number of partitions with 1 part of size 1 and differences between parts at distance 10 are greater than 1. A35990