1000007domain: NAppears in sequencesTurban numbers: without letters r, t, or u.at n=10A072956Smallest n-digit non-palindromic number such that it and its digit reversal have the same prime signature.at n=5A087305Numbers of the form 10^k + 1, 3, 7, or 9 for k>=1.at n=22A088265Smallest n-digit number ending in n.at n=6A266959