Properties of the Number 2111

Two Thousand One Hundred Eleven

Basics

Value: 2110 → 2111 → 2112

Parity: odd

Prime: Yes

Previous Prime: 2099

Next Prime: 2113

Digit Sum: 5

Digital Root: 5

Palindrome: No

Factorization: 2111

Divisors: 1, 2111

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100000111111

Octal: 4077

Duodecimal: 127B

Hexadecimal: 83f

Square: 4456321

Square Root: 45.94562003064057

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

Primes having only {1, 2, 9} as digits. A385776

Primes of the form k² + k + 41. A5846

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

Primes of the form 2x² + 13y². A107132

Primes whose decimal representation is a valid number in base 4 and interpreted as such is again a prime. A90707

Primes whose decimal representation also represents a prime in base 3. A89981

Primes whose decimal representation is a valid number in base 9 and interpreted as such is again a prime. A235395

Primes with 7 as smallest primitive root. A1126

Numbers k such that the k-th composition in standard order (row k of A066099) has all equal run-sums. A353848

Representation of n in base of Catalan numbers (a classic greedy version). A14418