101526

Appears in sequences

• Positive numbers k such that k and 5*k are anagrams in base 7 (written in base 7).at n=2A023071
• Sets of 4 numbers in arithmetic progression with common difference 6 and whose phi values are equal.at n=12A039670
• Arithmetic progressions of at least 4 terms with common difference 6 having the same value of phi(x) start at these numbers.at n=3A050498