21322319
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Autobiographical numbers: Fixed under operator T (A047842): "Say what you see".at n=14A047841
- Erroneous version of A047841.at n=8A104784
- Autobiographical numbers in base 10: numbers which are fixed or belong to a cycle under the operator T.at n=14A267498
- Numbers k such that k | A047842(k).at n=28A278439
- Prime numbersat n=1349058