Properties of the Number 1211

One Thousand Two Hundred Eleven

Basics

Value: 1210 → 1211 → 1212

Parity: odd

Prime: No

Previous Prime: 1201

Next Prime: 1213

Digit Sum: 5

Digital Root: 5

Palindrome: No

Factorization: 7 × 173

Divisors: 1, 7, 173, 1211

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010111011

Octal: 2273

Duodecimal: 84B

Hexadecimal: 4bb

Square: 1466521

Square Root: 34.79942528261063

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 in base 3. A7089

Integers written in factorial base. A7623

n written in primorial base. A49345

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

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

Partial sums of the partition numbers A000041 of the positive integers. A26905

Describe n. Also called the "Say What You See" or "Look and Say" sequence LS(n). A45918

Numbers k such that k!!-4 is prime. A123910

Number of integer partitions of n having a unique part of least multiplicity. A362610

Odd numbers not of form p + 2^k (de Polignac numbers). A6285