Properties of the Number -1109

One Hundred Nine

Basics

Value: -1110 → -1109 → -1108

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

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

Numerators of the partial alternating sums of the reciprocals of the alternating sum of divisors function (A206369). A379621

Expansion of f(-x) * f(x⁴, x⁸) / f(-x³)² in powers of·where f(, ) is Ramanujan's general θ function. A263050

Values of n such that L(6) and N(6) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A226926

Values of n such that L(14) and N(14) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A227517

a(n) = 137·n² - 4043·n + 27277. A267706

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