Properties of the Number -138238

One Hundred Thirty-Eight Thousand Two Hundred Thirty-Eight

Basics

Value: -138239 → -138238 → -138237

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 69119

Divisors: 1, 2, 69119, 138238

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100001101111111110

Octal: -415776

Duodecimal: -67BBA

Hexadecimal: -21bfe

Square: 19109744644

Square Root: 371.80371165441585

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 σ(k) = σ(k-1). A231546

Numbers k such that A145768(k) is a square. A145827

Numbers k that divide σ(k) - σ(k-1). A227307