Cody

Problems

1 – 8 of 8
Problem Title
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Problem 51198. Find pairs of primes with the same digit sum and a specified separation

Created by: ChrisR

Tags primes, sequence, digit sum

1

8

Problem 47793. Find the smallest prime with n inside

Created by: ChrisR

Tags primes, strings, sequence

3

15

Problem 51241. Compute home primes in a given base

Created by: ChrisR

Tags primes, sequence, base conversion

0

6

Problem 52183. List the nth prime quartet prefix

Created by: ChrisR

Tags primes, convolution, sequence

0

5

Problem 47518. Play Outside In with primes

Created by: ChrisR

Tags primes, puzzle, sequence

0

6

Problem 52669. Count the primes in Collatz sequences

Created by: ChrisR

Tags primes, sequence, another collatz problem

1

8

Problem 47895. List the dihedral primes

Created by: ChrisR

Tags primes, sequence, symmetry

2

9

Problem 51077. List composite numbers that cannot be written as the sum of two primes

Created by: ChrisR

Tags primes, number theory, sequence

2

7
1 – 8 of 8