Properties of the Number -221211

Two Hundred Twenty-One Thousand Two Hundred Eleven

Basics

Value: -221212 → -221211 → -221210

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ⁴ × 2731

Divisors: 1, 3, 9, 27, 81, 2731, 8193, 24579, 73737, 221211

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110110000000011011

Octal: -660033

Duodecimal: -A8023

Hexadecimal: -3601b

Square: 48934306521

Square Root: 470.3307346963411

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

List of co-Lyndon words on {1,2} sorted first by length and then lexicographically. A329318

List of words over {1,2} with equal numbers of 1's and 2's. A214218

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 585", based on the 5-celled von Neumann neighborhood. A283138

Numbers k such that k^p+p is prime, where p is product of the digits of k. A178327

n expressed in Fibonacci binary-like number system using only 1's and 2's. A108960