Properties of the Number -128534

One Hundred Twenty-Eight Thousand Five Hundred Thirty-Four

Basics

Value: -128535 → -128534 → -128533

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 7 × 9181

Divisors: 1, 2, 7, 14, 9181, 18362, 64267, 128534

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -11111011000010110

Octal: -373026

Duodecimal: -62472

Hexadecimal: -1f616

Square: 16520989156

Square Root: 358.5163873520986

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) = 7·8ⁿ-6·7ⁿ. A257288

Numbers n such that T(n) + T(n+1) + ... + T(n+22) is a square, where T = A000217 (triangular numbers). A257707