Properties of the Number -138142

One Hundred Thirty-Eight Thousand One Hundred Forty-Two

Basics

Value: -138143 → -138142 → -138141

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 17 ² × 239

Divisors: 1, 2, 17, 34, 239, 289, 478, 578, 4063, 8126

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100001101110011110

Octal: -415636

Duodecimal: -67B3A

Hexadecimal: -21b9e

Square: 19083212164

Square Root: 371.6745888542826

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 Euler φ(k) / Carmichael λ(k) = 34. A66698

(1/1 - 1/3 + 1/6 + ... + d/C(n+1,2))*LCM{1,3,6,...,C(n+1,2)}, where d = (-1)ⁿ. A25559