Properties of the Number -222112

Two Hundred Twenty-Two Thousand One Hundred Twelve

Basics

Value: -222113 → -222112 → -222111

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 ⁵ × 11 × 631

Divisors: 1, 2, 4, 8, 11, 16, 22, 32, 44, 88

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -110110001110100000

Octal: -661640

Duodecimal: -A8654

Hexadecimal: -363a0

Square: 49333740544

Square Root: 471.2875979696474

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

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 4,0,2,1,3 for x=0,1,2,3,4. A196718

Good's example of a "Standard List" of prime words over the alphabet {1,2}. A212659

Orbit of word "2" under De Mol's 5-shift tag system over the alphabet {1,2} defined in the Comments. A293945

Number of nX4 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 4,0,2,1,3 for x=0,1,2,3,4. A196714

Number of nX7 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 4,0,2,1,3 for x=0,1,2,3,4. A196717

a(n) = (a(n-1)*a(n-2)*a(n-3)+64)/(4·a(n-4)) with a(0) = a(2) = a(3) = 2 and a(1) = 16. A362884

Numbers for which the sum of reciprocals of square of digits is an integer. A182452