Properties of the Number -221901

Two Hundred Twenty-One Thousand Nine Hundred One

Basics

Value: -221902 → -221901 → -221900

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 17 × 19 × 229

Divisors: 1, 3, 17, 19, 51, 57, 229, 323, 687, 969

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110110001011001101

Octal: -661315

Duodecimal: -A84B9

Hexadecimal: -362cd

Square: 49240053801

Square Root: 471.06368996134694

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

Irregular table whose rows list the nontrivial cycles of the ghost iteration A329201, starting with the smallest member. A329342

Measures of entanglement in 3-qbits. A129548

a(n) = n*(n+1)*(n+2)*(n+3)*(2·n²+6·n+7)/360. A259181