23999999

Properties

Appears in sequences

• Primes p such that 5 is the largest of all prime factors of the numbers between p and the next prime (cf. A052248).at n=33A080185
• Square array read by antidiagonals upwards: M(n,k) is the initial occurrence of first prime p1 of consecutive primes p1, p2, where p2 - p1 = 2*k, and p1, p2 span a multiple of 10^n, n>=1, k>=1.at n=10A287050
• Square array read by antidiagonals upwards: M(n,k) is the initial occurrence of first prime p1 of consecutive primes p1, p2, where p2 - p1 = 2*k, and p1, p2 span a multiple of 10^n, n>=1, k>=1.at n=15A287050
• Prime numbersat n=1507122