70009

Properties

Appears in sequences

• Index of smallest Fibonacci number beginning with the n-th Fibonacci number other than itself.at n=23A072520
• Happy primes of the form a*10^k + b with single-digit a and b, a > 0, k > 0.at n=18A109902
• Numbers n such that (j^k + k^j) == 0 (mod k+j), j=4 case.at n=23A114979
• Naughty primes: primes in which the number of zeros is greater than the number of all other digits.at n=5A164968
• Primes of the form x^2 + 18480*y^2.at n=11A173274
• Primes of the form 7n^2 + 9.at n=15A201609
• Smallest m such that A259043(m) = n.at n=49A259046
• Primes that contain only the digits (0, 7, 9).at n=12A261181
• Primes having only {0, 7, 8, 9} as digits.at n=30A386084
• Primes containing 000 as a substring.at n=5A386247
• Prime numbersat n=6938