Properties of the Number -139009

One Hundred Thirty-Nine Thousand Nine

Basics

Value: -139010 → -139009 → -139008

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 13 × 17 ² × 37

Divisors: 1, 13, 17, 37, 221, 289, 481, 629, 3757, 8177

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7989 Try Today's Challenge

Representations

Binary: -100001111100000001

Octal: -417401

Duodecimal: -68541

Hexadecimal: -21f01

Square: 19323502081

Square Root: 372.83910739084223

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

a(n) is least k such that k and 8k are anagrams in base n (written in base 10). A23100

Integers k such that k² can be written as the sum of three positive fourth powers. A365657

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 29. A31617

Numbers k such that A003285(k) = A003285(k+1) == 1 (mod 2). A65304