Properties of the Number -28163

Twenty-Eight Thousand One Hundred Sixty-Three

Basics

Value: -28164 → -28163 → -28162

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 28163

Divisors: 1, 28163

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -110111000000011

Octal: -67003

Duodecimal: -1436B

Hexadecimal: -6e03

Square: 793154569

Square Root: 167.81835418094172

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

Denominators of upper primes-only best approximates (POBAs) to sqrt(8); see Comments. A265793

Prime numbers ending in the prime number 163. A167627

Number of placements of zero or more dominoes on a 2 X n grid where no two empty squares are horizontally adjacent. A329707

Smallest prime of the form k·prime(n+1)+prime(n) = j·prime(n+2)+prime(n+1) for free integer multipliers k and j. A129918

Number of nondecreasing arrays of n 0..n-1 integers with the sum of their 2nd powers equal to sum(i²,i=0..n-1). A216630

Primes p such that p⁶ - 1 has 384 divisors. A341666

Discriminants of imaginary quadratic fields with class number 33 (negated). A351671

Safe primes (A005385) (p and (p-1)/2 are primes) such that 12·p+1 is also prime. A75707

Primes p such that p² + 1 has more divisors than p² - 1. A358879