Properties of the Number 109

One Hundred Nine

Basics

Value: 108 → 109 → 110

Parity: odd

Prime: Yes

Previous Prime: 107

Next Prime: 113

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 109

Divisors: 1, 109

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101101

Octal: 155

Duodecimal: 91

Hexadecimal: 6d

Square: 11881

Square Root: 10.44030650891055

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: Yes

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

The prime numbers. A40

Squarefree numbers: numbers that are not divisible by a square greater than 1. A5117

The odd numbers: a(n) = 2·n + 1. A5408

Powers of primes. Alternatively, 1 and the prime powers (p^k, p prime, k >= 1). A961

Prime numbers at the beginning of the 20th century (today 1 is no longer regarded as a prime). A8578

Primes of the form x² + xy + 2y², with·and y nonnegative. A106856

Pythagorean primes: primes of the form 4·k + 1. A2144

Greater of twin primes. A6512

Prime powers: numbers of the form p^k where p is a prime and k >= 1. A246655

Odd primes. A65091

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