Properties of the Number -212212

Two Hundred Twelve Thousand Two Hundred Twelve

Basics

Value: -212213 → -212212 → -212211

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: Yes

Factorization: 2 ² × 7 × 11 × 13 × 53

Divisors: 1, 2, 4, 7, 11, 13, 14, 22, 26, 28

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110011110011110100

Octal: -636364

Duodecimal: -A2984

Hexadecimal: -33cf4

Square: 45033932944

Square Root: 460.664737091955

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

n written in fractional base 3/2. A24629

a(n) is the largest integer with n digits in base 3/2. A304024

a(n) is the smallest palindrome > a(n-1) such that a(1)+a(2)+...+a(n) is a prime. A51934

Non-primitive words on {1,2,3}. A239018

List of imprimitive words over the alphabet {1,2}. A213972

Shortest (x+1,2x)-code of n. A233135

Reversed shortest (x+1,2x)-code of n. A233137

Squares in the Thue-Morse word A001285. A225186

Palindromes with exactly 5 distinct prime divisors. A373465

Decimal expansion of a(n) is given by the first n terms of the periodic sequence with initial period 2,1,2. A37575