* The Prime Glossary: Cullen number at The Prime Pages.
Prvi dve Cullenovi praštevili sta :: 3, 393050634124102232869567034555427371542904833, ...Edina znana Cullenova praštevila so tista, ko je "n" enak :: 1, 141, 4713, 5795, 6611, 18496, 32292, 32469, 59656, 90825, 262419, 361275, 481899 in 1354828.