Properties of the Number -138425

One Hundred Thirty-Eight Thousand Four Hundred Twenty-Five

Basics

Value: -138426 → -138425 → -138424

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 5 ² × 7 ² × 113

Divisors: 1, 5, 7, 25, 35, 49, 113, 175, 245, 565

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -100001110010111001

Octal: -416271

Duodecimal: -68135

Hexadecimal: -21cb9

Square: 19161480625

Square Root: 372.05510344571275

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

4*(n + 7)³ - 27*(n + 7)² = (4·n +1)*(n+7)². A245033

Odd 9-gonal (nonagonal) pyramidal numbers. A218328