Problems

1 – 20 of 20

Problem Title Likes Solvers Difficulty

Problem 46054. Count trailing zeros in a primorial

Created by: ChrisR

Tags primes, number theory, primorial

Problem 49738. Determine whether a prime is Pythagorean

Created by: ChrisR

Tags primes, pythagoras, number theory

Problem 46016. Determine digits of the Copeland-Erdos constant

Created by: ChrisR

Tags numbers, number theory

Problem 46624. List the emirps

Created by: ChrisR

Tags sequences, primes

Problem 46057. Find the last non-zero digit in a primorial

Created by: ChrisR

Tags primes, number theory, primorial

Problem 46111. Evaluate the prime zeta function

Created by: ChrisR

Tags primes, zeta function

Problem 46046. Determine whether a number is a cluster prime

Created by: ChrisR

Tags primes, number theory

Problem 46060. Identify primorial primes

Created by: ChrisR

Tags primes, number theory, primorial

Problem 47950. Test the generalized Legendre conjecture

Created by: ChrisR

Tags primes, conjecture

Problem 45964. Compute the nth Pythagorean prime

Created by: ChrisR

Tags primes, pythagoras, number theory

Problem 46047. Identify Wagstaff primes

Created by: ChrisR

Tags primes

Problem 46594. Create a sequence of primes p such that p > n π(p)

Created by: ChrisR

Tags primes, sequence

Problem 46099. Identify full reptend primes

Created by: ChrisR

Tags primes, number theory

Problem 46117. Test approximations of the prime counting function

Created by: ChrisR

Tags special functions

Problem 45994. Investigate the frequency of last digits of prime numbers

Created by: ChrisR

Tags primes, number theory

Problem 46050. Construct a prime circle

Created by: ChrisR

Tags primes

Problem 46087. Investigate the frequency of last non-zero digits of primorials

Created by: ChrisR

Tags primes, number theory, primorial

Problem 48075. Play PRIMEGAME

Created by: ChrisR

Tags primes, sequence, conway

Problem 46582. Find jumping medalists

Created by: ChrisR

Tags primes, sorting, number theory

Problem 46701. Compute the nth Naerogahtyp emirp

Created by: ChrisR

Tags primes, pythagoras

1 – 20 of 20

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Problem Groups

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Problem Groups

Problems

Problem 46054. Count trailing zeros in a primorial

Problem 49738. Determine whether a prime is Pythagorean

Problem 46016. Determine digits of the Copeland-Erdos constant

Problem 46624. List the emirps

Problem 46057. Find the last non-zero digit in a primorial

Problem 46111. Evaluate the prime zeta function

Problem 46046. Determine whether a number is a cluster prime

Problem 46060. Identify primorial primes

Problem 47950. Test the generalized Legendre conjecture

Problem 45964. Compute the nth Pythagorean prime

Problem 46047. Identify Wagstaff primes

Problem 46594. Create a sequence of primes p such that p > n π(p)

Problem 46099. Identify full reptend primes

Problem 46117. Test approximations of the prime counting function

Problem 45994. Investigate the frequency of last digits of prime numbers

Problem 46050. Construct a prime circle

Problem 46087. Investigate the frequency of last non-zero digits of primorials

Problem 48075. Play PRIMEGAME

Problem 46582. Find jumping medalists

Problem 46701. Compute the nth Naerogahtyp emirp