Properties of the Number -128455

One Hundred Twenty-Eight Thousand Four Hundred Fifty-Five

Basics

Value: -128456 → -128455 → -128454

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 × 23 × 1117

Divisors: 1, 5, 23, 115, 1117, 5585, 25691, 128455

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111010111000111

Octal: -372707

Duodecimal: -62407

Hexadecimal: -1f5c7

Square: 16500687025

Square Root: 358.4061941429026

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

Row sums of A027052. A160999

G.f. A(x) = ∑_n>=0 a(n)*xⁿ where a(n) = ∑_k=0..n ( [x^k] A(2·x)ⁿ⁺¹ (mod 2ⁿ⁺¹) ) for n >= 0 with a(0) = 1. A371715