56989
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Starting index of a string of 5 or more consecutive equal digits in decimal expansion of Pi.at n=9A049517
- Starting index of a string of exactly 5 consecutive equal digits in decimal expansion of Pi.at n=7A049521
- Starting positions of strings of four 9's in the decimal expansion of Pi.at n=11A083643
- 0 together with numbers k such that 4*R_k - 3 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=14A099412
- Primes with digit sum = 37.at n=6A106771
- Primes having only {5, 6, 8, 9} as digits.at n=32A386198
- Prime numbersat n=5780