Properties of the Number -142587

One Hundred Forty-Two Thousand Five Hundred Eighty-Seven

Basics

Value: -142588 → -142587 → -142586

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 5281

Divisors: 1, 3, 9, 27, 5281, 15843, 47529, 142587

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -100010110011111011

Octal: -426373

Duodecimal: -6A623

Hexadecimal: -22cfb

Square: 20331052569

Square Root: 377.60693849557373

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

In the '3x+1' problem, these values for the starting value set new records for number of steps to reach 1. A6877

Numbers k such that k and 2·k are anagrams. A23086

In the '3x+1' problem, these values for the starting value set new records for number of steps to reach 1. A33958

Composite numbers k such that A006577(k) sets a new record. A346591

Inputs n that yield a record-breaking value of A008908(n)/(log₂(n)+1) for the Collatz conjecture. A339614