Properties of the Number 1109

One Thousand One Hundred Nine

Basics

Value: 1108 → 1109 → 1110

Parity: odd

Prime: Yes

Previous Prime: 1103

Next Prime: 1117

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 1109

Divisors: 1, 1109

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001010101

Octal: 2125

Duodecimal: 785

Hexadecimal: 455

Square: 1229881

Square Root: 33.301651610693426

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

Moser-de Bruijn sequence: sums of distinct powers of 4. A695

Emirps (primes whose reversal is a different prime). A6567

Primes of form 10·k + 9. A30433

Primes whose base-4 representation also is the base 2-representation of a prime. A235461

Primes of the form 8k + 5. A7521

Primes that become another prime under the map 1 <-> 0 (acting on the digits: A222210), cf. A171013. A175791

Primes that become a different prime under the mapping 0 <=> 2. A180517

Primes of the form 4·x²+x·y-4·y² (as well as of the form 4·x²+9·x*y+y²). A141111

Primes with only nonprime decimal digits. A34844

Finitary primes. Primes of finitary index. A277098