Properties of the Number -389287

Three Hundred Eighty-Nine Thousand Two Hundred Eighty-Seven

Basics

Value: -389288 → -389287 → -389286

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 37

Digital Root: 1

Palindrome: No

Factorization: 389287

Divisors: 1, 389287

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -1011111000010100111

Octal: -1370247

Duodecimal: -169347

Hexadecimal: -5f0a7

Square: 151544368369

Square Root: 623.928681821889

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

Primes that are the first in a run of exactly 5 emirps. A346025

Primes of the form 54k+1 generated recursively. Initial prime is 109. General term is a(n) = Min {p is prime; p divides (R²⁷ - 1)/(R⁹ - 1); p == 1 (mod 27)}, where Q is the product of previous terms in the sequence and R = 3·Q. A125044