Properties of the Number -128136

One Hundred Twenty-Eight Thousand One Hundred Thirty-Six

Basics

Value: -128137 → -128136 → -128135

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 19 × 281

Divisors: 1, 2, 3, 4, 6, 8, 12, 19, 24, 38

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111010010001000

Octal: -372210

Duodecimal: -621A0

Hexadecimal: -1f488

Square: 16418834496

Square Root: 357.9608917186345

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) = ∑_{k=0..floor(2·n/5)} binomial(k+1,2·n-5·k). A390020

Number of compositions of 6·n-1 into parts 5 and 6. A373961

a(n) = ∑_{k=0..floor(3·n/5)} binomial(k+1,3·n-5·k). A391843