Cody

Problems

1 – 20 of 20
Problem Title
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Solvers
Difficulty

Problem 46054. Count trailing zeros in a primorial

Created by: ChrisR

Tags primes, number theory, primorial

4

26

Problem 49738. Determine whether a prime is Pythagorean

Created by: ChrisR

Tags primes, pythagoras, number theory

1

19

Problem 46624. List the emirps

Created by: ChrisR

Tags sequences, primes

2

39

Problem 46016. Determine digits of the Copeland-Erdos constant

Created by: ChrisR

Tags numbers, number theory

4

17

Problem 46046. Determine whether a number is a cluster prime

Created by: ChrisR

Tags primes, number theory

4

16

Problem 46060. Identify primorial primes

Created by: ChrisR

Tags primes, number theory, primorial

1

14

Problem 46111. Evaluate the prime zeta function

Created by: ChrisR

Tags primes, zeta function

1

14

Problem 47950. Test the generalized Legendre conjecture

Created by: ChrisR

Tags primes, conjecture

0

13

Problem 45964. Compute the nth Pythagorean prime

Created by: ChrisR

Tags primes, pythagoras, number theory

1

25

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

Created by: ChrisR

Tags primes, number theory, primorial

1

14

Problem 46047. Identify Wagstaff primes

Created by: ChrisR

Tags primes

2

28

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

Created by: ChrisR

Tags primes, sequence

1

10

Problem 46099. Identify full reptend primes

Created by: ChrisR

Tags primes, number theory

0

11

Problem 46117. Test approximations of the prime counting function

Created by: ChrisR

Tags special functions

1

14

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

Created by: ChrisR

Tags primes, number theory, primorial

1

9

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

Created by: ChrisR

Tags primes, number theory

3

14

Problem 48075. Play PRIMEGAME

Created by: ChrisR

Tags primes, sequence, conway

2

12

Problem 46582. Find jumping medalists

Created by: ChrisR

Tags primes, sorting, number theory

3

14

Problem 46701. Compute the nth Naerogahtyp emirp

Created by: ChrisR

Tags primes, pythagoras

1

11

Problem 46050. Construct a prime circle

Created by: ChrisR

Tags primes

6

33
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