72270
domain: N
Appears in sequences
- Numbers k whose decimal representation, read as a base-22 value and divided by k, yields an integer.at n=32A032575
- Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 1,2,0.at n=5A037510
- Numbers j such that j and 2j are both between a pair of twin primes.at n=21A066388
- Numbers k such that k and k^2 use only the digits 0, 2, 5, 7 and 9.at n=49A136917
- Averages of twin prime pairs that are sums of 4 consecutive averages of twin prime pairs.at n=34A160918
- Averages of twin prime pairs that are sums of 5 consecutive averages of twin prime pairs.at n=20A160919
- Dates after Jan 01 00 in chronological order which are palindromic when they are written according to the format MMDDYY (American standard, short). Leading zeros of the terms are suppressed.at n=19A210895
- Numbers m such that exactly four subsets of {m-1, m, m+1} sum up to a prime number.at n=24A221310