314159

Properties

Appears in sequences

• Primes formed by the initial digits of the decimal expansion of Pi.at n=2A005042
• a(n) is the integer whose decimal digits are the first n+1 decimal digits of Pi.at n=5A011545
• Decimal expansion of Pi rounded to n places.at n=5A011546
• Smaller of twin primes whose middle term is a multiple of A002110(5)=2310.at n=26A060231
• Largest prime factor of the integer formed by truncating the decimal expansion of Pi to n places.at n=5A078604
• Triangular array, read by rows: T(n,k) = greatest decimal number of length k contained as a string in the first n positions of the decimal expansion of Pi, 1 <= k <= n.at n=20A086667
• Triangular array, read by rows: T(n,k) = greatest decimal number of length k contained as a string in the first n positions of the decimal expansion of Pi, 1 <= k <= n.at n=26A086667
• Smallest prime factor of floor(Pi*10^n).at n=5A089281
• Sum of distinct prime factors of floor(Pi*10^n), Pi=3.14....at n=5A089286
• Sum of all prime factors of floor(Pi*10^n), Pi=3.14....at n=5A089287
• Squarefree kernel of floor(Pi*10^n), Pi = 3.14....at n=5A089289
• Primes from merging of 6 successive digits in decimal expansion of Pi.at n=0A104826
• The first n-digit prime occurring in the decimal expansion of Pi, A000796.at n=5A104841
• Numerator of floor(Pi*10^n)/10^n.at n=5A195603
• Yet unseen primes occurring within the first 1,2,3,4,... digits of Pi, A000796 (ordered according to position of last, then initial digit).at n=4A198018
• Primes occurring in the decimal expansion of Pi (A000796), ordered by position of last digit, then by size.at n=7A198019
• Primes from the decimal expansion of Pi, sorted first by the final digit index and then by length.at n=7A198187
• Sophie Germain primes that are also highly cototient numbers.at n=26A209194
• Primes p for which p + 2, p^3 + 2 and p^5 + 2 are prime.at n=17A242326
• Nearest prime to Pi*10^(n-1).at n=5A247351