Properties of the Number -128019

One Hundred Twenty-Eight Thousand Nineteen

Basics

Value: -128020 → -128019 → -128018

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 139 × 307

Divisors: 1, 3, 139, 307, 417, 921, 42673, 128019

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111010000010011

Octal: -372023

Duodecimal: -62103

Hexadecimal: -1f413

Square: 16388864361

Square Root: 357.79742872189564

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

Smallest m such that the decimal representation of the m-th prime interpreted in base n is not a prime, but prime in bases 10 <= b < n. A91922

Numbers n such that 205·2ⁿ-1 is prime. A50854