7237384

Appears in sequences

• Numbers k such that uphi(k)*usigma(k) = uphi(k+1)*usigma(k+1), where uphi is the unitary totient function (A047994) and usigma the sum of unitary divisors (A034448).at n=22A297365
• The first term in a chain of at least 3 consecutive numbers each with exactly 5 distinct prime factors.at n=12A364266