Original sentence: "The number 666 has been substituted for 616 either by analogy with 888, the [Greek] number of Jesus (Deissmann), or because it is a triangular number, the sum of the first 36 numbers (1+2+3+4+5+6...+36 = 666)"
Edited sentence: "The number 666 has been substituted for 616 either by analogy with 888, the [Greek] number of Jesus (Deissmann), or because it is a triangular number, the sum of the first 36 numbers (1+2+3+4+5+6...+36 = 666)" The NRSV translation for  includes this translation note: "Other ancient authorities read six hundred and sixteen"