549945
domain: N
Appears in sequences
- Palindromes with exactly 6 palindromic prime factors (counted with multiplicity).at n=5A046380
- Numbers n with the property that n=a-b where a has the digits of n in descending order and b has the digits of n in ascending order (perhaps with leading zeros), ordered by a.at n=2A055160
- Palindromes n such that n and n^2 have same digit sum.at n=32A058852
- Fixed points of the Kaprekar mapping f(n) = n' - n'', where in n' the digits of n are arranged in descending, in n'' in ascending order.at n=3A099009
- Smallest member of cycle corresponding to n-th term of A151964.at n=8A151965
- Consider the Kaprekar map n->K(n) defined in A151949. Sequence gives numbers belonging to cycles, including fixed points.at n=14A164716
- Consider the Kaprekar map n->K(n) defined in A151949. Sequence gives least elements of each cycle, including fixed points.at n=7A164718
- Subsequence of fixed points A099009 of the Kaprekar mapping with numbers of the form 5(n)//4//9(n+1)//4(n)//5.at n=1A214555