720721
domain: N
Appears in sequences
- Denominators of continued fraction convergents to sqrt(506).at n=6A041967
- a(n) = 1 + lcm(1..k) where k is the n-th prime power A000961(n).at n=10A051452
- a(n) = 1 + lcm(1, 2, ..., n) = 1 + A003418(n).at n=16A075059
- Inverse Mobius transform of the superabundant numbers, A051731 * A004394.at n=30A134672
- Highly composite numbers + 1.at n=37A135372
- The first number that is (at least) n-fold intrinsically 3-palindromic (represented in base ten).at n=14A171702
- The smallest integer > 1 of exactly n consecutive integers divisible respectively by the first n natural numbers (A000027), or 0 if no such number exists.at n=15A249051
- a(n) is the smallest integer with at least n palindromic representations of length >= 3 in bases b >= 2.at n=14A275220