Properties of the Number 11212

Eleven Thousand Two Hundred Twelve

Basics

Value: 11211 → 11212 → 11213

Parity: even

Prime: No

Previous Prime: 11197

Next Prime: 11213

Digit Sum: 7

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 2803

Divisors: 1, 2, 4, 2803, 5606, 11212

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111001100

Octal: 25714

Duodecimal: 65A4

Hexadecimal: 2bcc

Square: 125708944

Square Root: 105.88673193559238

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

Numbers that contain only 1's and 2's. Nonempty binary strings of length n in lexicographic order. A7931

List of Lyndon words on {1,2} sorted first by length and then lexicographically. A102659

Number of compositions of n into prime parts. A23360

Numbers k such that 2^k+1 - 1 is prime. A90748

List of primitive words over the alphabet {1,2}. A213969

The Wythoff representation of n: an alternative way of presenting A189921. A317208

Number of words of length n in a certain language. A5819

Integers whose decimal expansion start with 1, do not contain zeros and each successive digit to the right is at most one greater than the previous digit. A71159

Consider the Post tag system described in A284116 (but adapted to the alphabet {1,2}) ; sequence lists the words that terminate in the empty word. A289675

List of subwords of A003842 arranged in lexicographic order. A213975