Properties of the Number -138491

One Hundred Thirty-Eight Thousand Four Hundred Ninety-One

Basics

Value: -138492 → -138491 → -138490

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 19 × 37 × 197

Divisors: 1, 19, 37, 197, 703, 3743, 7289, 138491

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100001110011111011

Octal: -416373

Duodecimal: -6818B

Hexadecimal: -21cfb

Square: 19179757081

Square Root: 372.1437894147906

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) = n*(n + 1)*(16·n - 1)/6. A304659

a(n) = (A051894(n) - 1)/2. A361152