Properties of the Number 12109

Twelve Thousand One Hundred Nine

Basics

Value: 12108 → 12109 → 12110

Parity: odd

Prime: Yes

Previous Prime: 12107

Next Prime: 12113

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 12109

Divisors: 1, 12109

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111101001101

Octal: 27515

Duodecimal: 7011

Hexadecimal: 2f4d

Square: 146627881

Square Root: 110.04090148667449

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

a(n) = A259095(2n,n). A5575

Primes in which neighboring digits differ at most by 1. A68148

Primes of the form k² + 9. A138353

Primes congruent to 10 mod 37. A142119

Primes of the form 100·n+9. A166560

Primes p such that p - 2 and p³ - 2 are also prime. A240126

Number of partitions p = [x(1), ..., x(k)], where x(1) >= x(2) >= ... >= x(k), of n such that min(x(i) - x(i-1)) is not a part of p. A241761

Number of pairs (c, y) where c is an integer composition and y is an integer partition and y can be obtained from c by choosing a partition of each part, flattening, and sorting. A318567

Second term of weak prime quintets: p(m)-p(m-1) < p(m+1)-p(m) < p(m+2)-p(m+1) < p(m+3)-p(m+2). A54824

Number of mobiles (circular rooted trees) with n nodes and 3 leaves. A55341