89264

Appears in sequences

• Least positive k such that k * [RSA-200]^n - 1 is prime, where RSA-200 is the 200 decimal digit RSA challenge number A391940(15).at n=34A108375
• Number of partitions of 2^n-1 into two summands >= 0 having a common divisor > 1.at n=22A378514