Properties of the Number -220021

Two Hundred Twenty Thousand Twenty-One

Basics

Value: -220022 → -220021 → -220020

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 7

Digital Root: 7

Palindrome: No

Factorization: 220021

Divisors: 1, 220021

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -110101101101110101

Octal: -655565

Duodecimal: -A73B1

Hexadecimal: -35b75

Square: 48409240441

Square Root: 469.06396152337265

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 n-digit magnanimous prime (A089392), or 0 if there is no such prime with n digits. A89393

Inverse Euler transform of A195980. A205999

Primes p such that A001414(p+1) = A001414(p-1) - 1. A342823

Number of nX3 0..1 arrays with every element unequal to 0, 1, 5 or 8 king-move adjacent elements, with upper left element zero. A304265