What is the 1211th prime number?
The 1211th prime number is 9817. The next prime is 9829 (a gap of 12) and the one before is 9811.
Position
Pick any whole number from 1 to 10,000.
How to work it out
- 1
List the primes in order: 2, 3, 5, 7, 11, 13, ā¦ The 1211th one is 9817.
- 2
9817 is prime because no prime up to ā9817 ā 99.08 divides it.
- 3
The primes are spread thinner as numbers grow: by the prime number theorem the 1211th prime is close to 1211 Ć ln(1211) ā 8597, and here it is 9817.
- 4
9817 has no twin: neither 9815 nor 9819 is prime.
Primes around the 1211th
| Position | Prime | Gap from the previous |
|---|---|---|
| 1208 | 9791 | 4 |
| 1209 | 9803 | 12 |
| 1210 | 9811 | 8 |
| 1211 | 9817 | 6 |
| 1212 | 9829 | 12 |
| 1213 | 9833 | 4 |
| 1214 | 9839 | 6 |
Questions
What is the 1211th prime number?
9817.
Which prime number is 9817?
9817 is the 1211th prime number.
What is the sum of the first 1211 primes?
5,558,266.