Its prime factorization is 3 × 5 × 7.
It is part of a Ruth–Aaron pair with 104 using the formulation involving sums of prime factors.
It is the first Zeisel number.
The 105th cyclotomic polynomial is the first cyclotomic polynomial containing coefficients with absolute value larger than 1.
- OEIS, Sequence A006145 (accessed 2021-02-09)