1428571
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- a(n) = floor(10^7/n).at n=6A033425
- a(n) = floor(10^n/n).at n=6A060156
- a(n) = A066557(n)/n.at n=6A066558
- Smallest prime formed by a substring of the decimal digits of 1/n beginning with the first (nonzero) digit after the decimal point, or 0 if no such prime exists.at n=6A088324
- Smallest prime formed by a substring of the decimal digits of 1/n beginning with the first (nonzero) digit after the decimal point, or 0 if no such prime exists.at n=69A088324
- Primes arising in A090517, or 0 if A090517(n) = 0.at n=6A090518
- Primes arising in A090519, or 0 if A090519(n)= 0.at n=6A090520
- Least integer multiple of f(1/n) where f(1/n) is the number obtained by retaining only n digits after decimal and deleting the rest.at n=6A095199
- Least integer multiple of 1/n, truncated to n digits after decimal.at n=6A111690
- Largest number that when multiplied by 7 produces an n-digit number.at n=6A241217
- Primes formed by the initial digits of the decimal expansion of 1/7, starting at the first nonzero digit in the expansion.at n=0A242824
- Prime numbers of the form floor((j/7)*10^k) where 1 <= j <= 6 and k >= 1.at n=8A343833
- a(n) = floor(((n mod 6)+1) * 10^floor((n/6)+1) / 7).at n=36A343915
- Prime numbersat n=109097