Properties of the Number -221444

Two Hundred Twenty-One Thousand Four Hundred Forty-Four

Basics

Value: -221445 → -221444 → -221443

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 23 × 29 × 83

Divisors: 1, 2, 4, 23, 29, 46, 58, 83, 92, 116

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -110110000100000100

Octal: -660404

Duodecimal: -A8198

Hexadecimal: -36104

Square: 49037445136

Square Root: 470.57836754360056

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

Expansion of 1 / ((1-x-x²-x³)*(1-x-x³)). A103321

Least number k such that (k·M(n))² + k·M(n) - 1 and (k·M(n))² + k·M(n) + 1 are twin primes where M(n) is the n-th Mersenne prime. A121371