- A prime number, twins with 43.
- The sum of the first 6 primes: 2 + 3 + 5 + 7 + 11 + 13.
- And also of these: 11 + 13 + 17.
- Niobium.
- Mozart's last symphony.

Hopefully not my last.

- A prime number, twins with 43.
- The sum of the first 6 primes: 2 + 3 + 5 + 7 + 11 + 13.
- And also of these: 11 + 13 + 17.
- Niobium.
- Mozart's last symphony.

Hopefully not my last.