Properties of the Number -212111

Two Hundred Twelve Thousand One Hundred Eleven

Basics

Value: -212112 → -212111 → -212110

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 47 × 4513

Divisors: 1, 47, 4513, 212111

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110011110010001111

Octal: -636217

Duodecimal: -A28BB

Hexadecimal: -33c8f

Square: 44991076321

Square Root: 460.55509985234124

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

Number of 2 X 2 matrices having all terms in {1,...,n} and determinant >=3n. A211063

Semiprimes of form p·q with p < q, such that 2^p - 1 == 0 (mod q). A179768

Positive numbers n such that (digitsum(n))² equals (product of digits(n))³. A261778

Underline all even terms; concatenations of underlined terms and of non-underlined terms both equal the concatenation of the entire sequence. This is the lexicographically earliest such sequence without duplicate terms and with an even digit among the first two terms. A307312