
Curios:
Curios Search:
Participate: 
Single Curio View: (Seek other curios for this number) Prime string of consecutive integers from 20 to 47 whereby the composite numbers are replaced by the concatenation of their prime factors (counting multiplicity) {2*2*5}{3*7}...{2*23}{47}. Replacing the composites by the sum of these prime factors yields yet another prime of length 53 or {9}{10}...{25}{47}. [De Geest]
Submitted: 20030208 22:32:59; Last Modified: 20080130 11:28:00.
Prime Curios! © 20002017 (all rights
reserved)
