- The 19th Palindromic Prime is 919.
- 28669 is part of 919th Sexy Prime (28663, 28669).
- 28669 is the 1131st Lonely Gaussian Prime.
- 1131st Prime is 9127.
- 1131st Regular Prime is 16333.
- 16333 is the 941st Non-Chen Prime.
- But 941st Composite is 1131 and 1131st Prime is 9127.
- 28669 is the 1427th Additive Prime.
- 1427 is the 47th Twin Prime Pair.
- 1427 is the 92nd Individual Twin Prime.
- 1427 is the 114th Gaussian Prime.
