100147

Appears in sequences

• Numbers k such that the digits of k^2 are exactly the same (albeit in different order) as the digits of (k+1)^2.at n=27A072841
• Numbers k such that k divides A109227(k); or k such that A109227(k) is a Niven number.at n=9A109228
• Product of n-th prime and n-th prime written backwards.at n=32A133019
• a(n) = smallest number that leads to a new cycle under the Kaprekar map of A151949.at n=7A151964