10213223

Appears in sequences

• Autobiographical numbers: Fixed under operator T (A047842): "Say what you see".at n=1A047841
• Erroneous version of A047841.at n=1A104784
• a(n) = least member of A047841 with n digits, or 0 if no such number exists.at n=7A104786
• Self-describing numbers: reading the number gives a (possibly redundant) description of the number.at n=21A109776
• Self-describing semiprimes.at n=3A173101
• Numbers n such that A047842(n) | n.at n=17A237605
• Autobiographical numbers in base 5: numbers which are fixed or belong to a cycle under the operator T.at n=1A267493
• Autobiographical numbers in base 6: numbers which are fixed or belong to a cycle under the operator T.at n=1A267494
• Autobiographical numbers in base 7: numbers which are fixed or belong to a cycle under the operator T.at n=1A267495
• Autobiographical numbers in base 8: numbers which are fixed or belong to a cycle under the operator T.at n=1A267496
• Autobiographical numbers in base 9: numbers which are fixed or belong to a cycle under the operator T (see comments).at n=1A267497
• Autobiographical numbers in base 10: numbers which are fixed or belong to a cycle under the operator T.at n=1A267498
• Numbers k such that k | A047842(k).at n=15A278439