444444444444
domain: N
Appears in sequences
- a(n) = 4*(10^n - 1)/9.at n=12A002278
- Repdigit - 1 is prime.at n=13A028987
- a(n) is the least positive integer in base 10 containing n fours that is divisible by n.at n=10A112897
- a(n) is the least positive integer in base 10 containing n fours that is divisible by n.at n=11A112897
- Smallest number with all identical digits having n prime factors with multiplicity.at n=8A199166
- Repdigit numbers that are divisible by 7.at n=23A366596
- Happy repdigit numbers.at n=14A381046