Properties of the Number -221819

Two Hundred Twenty-One Thousand Eight Hundred Nineteen

Basics

Value: -221820 → -221819 → -221818

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 13 × 113 × 151

Divisors: 1, 13, 113, 151, 1469, 1963, 17063, 221819

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -110110001001111011

Octal: -661173

Duodecimal: -A844B

Hexadecimal: -3627b

Square: 49203668761

Square Root: 470.9766448561967

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) is the least k such that the remainder when 10^k is divided by k is n. A127818

Summarize the previous term!, starting with 8899. A37192