Properties of the Number -111221

One Hundred Eleven Thousand Two Hundred Twenty-One

Basics

Value: -111222 → -111221 → -111220

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 11 × 10111

Divisors: 1, 11, 10111, 111221

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11011001001110101

Octal: -331165

Duodecimal: -54445

Hexadecimal: -1b275

Square: 12370110841

Square Root: 333.4981259317659

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

Look and Say sequence: describe the previous term! (method A - initial term is 1). A5150

Unique representation of nonnegative numbers by iterated tribonacci A, B and C sequences. A316713

Describe the previous term (in base 3)!. A1388

Numbers with digital product = 4. A199987

Numbers whose largest digit of all divisors is 2. A221697

List of prefix-normal words over the alphabet {1,2}. A238109

6-digit numbers k such that: (a) the digits of k are from the set {1, 2, 3, 4, 5}, and (b) any digit that appears in k appears at least twice. A171725

Composite numbers n such that largest digit of all divisors of n is 2. A221698

List of words of length n over an alphabet of size 9 that are in standard order and which have the property that every letter that appears in the word is repeated. A273978

Numbers without a prime factor with a digit larger than 1. A385345