Properties of the Number -220641

Two Hundred Twenty Thousand Six Hundred Forty-One

Basics

Value: -220642 → -220641 → -220640

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 73547

Divisors: 1, 3, 73547, 220641

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -110101110111100001

Octal: -656741

Duodecimal: -A7829

Hexadecimal: -35de1

Square: 48682450881

Square Root: 469.7243872740695

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

P₄(2n+1), the Legendre polynomial of order 4 at 2n+1. A144124

Positive integers m such that π(k³+m³) is a cube for some k = 1..m, where π(x) denotes the number of primes not exceeding x. A262722