420th additive prime is 6427
420th additive prime is 6427.
6427 is 420th additive prime because sum of its digits is 19 which is also prime.
Learn more about Additive primes.
Neighbours#
| 62298 | 62476 | 626310 | 626910 | 62876 |
| 63119 | 631713 | 633710 | 635311 | 63596 |
| 637314 | 64218 | 64277 | 64497 | 64817 |
| 655110 | 655310 | 65717 | 65997 | 66076 |
| 666112 | 66897 | 67197 | 67339 | 67378 |
Compare with#
| 62298 | 62476 | 626310 | 626910 | 62876 |
| 63119 | 631713 | 633710 | 635311 | 63596 |
| 637314 | 64218 | 64277 | 64497 | 64817 |
| 655110 | 655310 | 65717 | 65997 | 66076 |
| 666112 | 66897 | 67197 | 67339 | 67378 |
Related#
- Learn more about Additive primes
- Check first 500 additive primes
- Check additive primes up to 10000
- Check all additive primes