Properties of the Number -28385

Twenty-Eight Thousand Three Hundred Eighty-Five

Basics

Value: -28386 → -28385 → -28384

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 5 × 7 × 811

Divisors: 1, 5, 7, 35, 811, 4055, 5677, 28385

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110111011100001

Octal: -67341

Duodecimal: -14515

Hexadecimal: -6ee1

Square: 805708225

Square Root: 168.47848527334284

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

A129065 with v=x instead of v=1: recursive polynomial coefficient triangle. A136452

Coordination sequence for (2,5,infinity) tiling of hyperbolic plane. A265068

a(n) = binomial(n+5,6) + binomial(n+3,3) + binomial(n+2,3) + binomial(n-1,1). A105450

Number of 5-cycles in the n-polygon diagonal intersection graph. A300553

Number of partitions of n into 8 parts such that every i-th smallest part (counted with multiplicity) is different from i. A244244

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-2)*b(n-1), where a(0) = 3, a(1) = 4, b(0) = 1, b(1) = 2, and (a(n)) and (b(n)) are increasing complementary sequences. A296265

Hamming weight distribution of code obtained by lifting Golay code of length 24 to Z/4Z. A105547

Numbers k such that the smoothly undulating palindromic number (35·10^k - 53)/99 is a prime. A62218