142587

Appears in sequences

• In the '3x+1' problem, these values for the starting value set new records for number of steps to reach 1.at n=36A006877
• Numbers k such that k and 2*k are anagrams.at n=3A023086
• In the '3x+1' problem, these values for the starting value set new records for number of steps to reach 1.at n=30A033958
• Inputs n that yield a record-breaking value of A008908(n)/(log_2(n)+1) for the Collatz conjecture.at n=8A339614
• Composite numbers k such that A006577(k) sets a new record.at n=31A346591