Properties of the Number -145289

One Hundred Forty-Five Thousand Two Hundred Eighty-Nine

Basics

Value: -145290 → -145289 → -145288

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 145289

Divisors: 1, 145289

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -100011011110001001

Octal: -433611

Duodecimal: -700B5

Hexadecimal: -23789

Square: 21108893521

Square Root: 381.1679419888299

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

Numbers k such that 2^k - 21 is prime. A96820

Number of horizontal steps in the peaks of all bargraphs having semiperimeter n (n>=2). A273720

Numbers n such that 2ⁿ - 21 is prime. A57202

Primes formed by concatenating n and 2n-1. A309851