Properties of the Number -222201

Two Hundred Twenty-Two Thousand Two Hundred One

Basics

Value: -222202 → -222201 → -222200

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 3527

Divisors: 1, 3, 7, 9, 21, 63, 3527, 10581, 24689, 31743

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -110110001111111001

Octal: -661771

Duodecimal: -A8709

Hexadecimal: -363f9

Square: 49373284401

Square Root: 471.38201068772236

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 x*(1-x)/(1 - 22·x + x²). A157014

Ternary numbers that are concatenated runs C(1)B(1)A(1)C(2)B(2)A(2)...C(k)B(k)A(k), where A(i) is a run of 1's, B(i) a run of 0's, and C(i) a run of 2's, for i = 1..k. A371109

Denominators of continued fraction convergents to sqrt(6/5). A153317

Denominators of continued fraction convergents to sqrt(30). A41049

Denominators of continued fraction convergents to sqrt(120). A41219

a(n) = n⁴ + 3·n³ - 3·n. A192398

n+p(n)+p(p(n)) is a square, where p(n) is the n-th prime. A116011

Ternary numbers consisting of a run of 2's, then a run of 0's, then a run of 1's. A371057

Multiplicity of highest weight (or singular) vectors associated with character chi₃₂ of Monster module. A34420