Repunit

Factorization of trezenal repunits
R1= 1

R2= 2 × 7

R3 = 3 × 49

R4 = 22 × 5 × 7 × 14

R5 = prime

R6 = 2 × 3 × 7 × 49 × J1

R7 = prime

R8= 23 × 5 × 7 × 14 × 6667

R9 = 32 × 49 × 444889

RX = 2 × 7 × B × 1136 × 11111

RB = 1X × 263 × 511 × 829X

RJ = 22× 3 × 5 × 7 × 14 × 49 × J1 × JJ01

R10= 41 × 93241 × 4B1J61

R11= 2 × 72 × 23 × X085 × 1111111

R12= 3 × 49 × 216X × 11111 × 58954

R13= 24 × 5 × 7 × 14 × 6667 × 66666667

R14= 7J × 281 × 8X7X334971BJ

R15 = 2 × 32 × 7 × 16 × 49 × J1 × 17B × 444889

R16= 2886199 × 538BJ0160573

R17 = 22 × 52 × 7 × B × 14 × 265 × 373 × 3X4 × 1136 × 11111

R18 = 3 × 34 × 49 × 1JX × 331 × 740653 × 1111111

R19 = 2 × 7 × 1X × 263 × 511 × 829X × J0J0J0J0J1

R1X = 823 × 19535580B68X0XX18BB9

R1B= 23 × 3 × 5 × 7 × 49 × J1 × 6667 × JJ01 × JJJJ0001

R1J = 41J × 463X × 11111 × 911863J44662J9

R20 = 2 × 7 × 41 × 6151 × 9341 × 2X131 × 93241 × 4B1J61

R21 = 33 × 49 × 19X3B9 × 444889 × 2619129673441

R22 = 22 × 5 × 72 × 14 × 23 × X085 × 1111111 × JJ00JJ00JJ01

R23 = B8X × 13X9 × 17J3 × 76X5X4350B25954J164

R24 = 2 × 3 × 7 × B × 25 × J1× 1136 × 216A × 11111 × 58954 × 5B397J8

R25 = 1XJ × 67J × 1208B4622210616724B89X0271

R26 = 25 × 5 × 7 × 14 × 1295 × 6667 × 125B19 × 46X3482J × 66666667

R27 = 3 × 1X × 49 × 263 × 511 × 829X × J00J00J00J0JJ0JJ0JJ1

R28 = 2 × 7 × 7J × 281 × 8X7X334971BJ

R29 = 133 × 11111 × 1111111 × 4168X459J × 2447995B6B7JX4

R2X = 22 × 32 × 5 × 7 × 14 × 16 × 2B × J1 × 17B × 571 × JJ01 × 11JXX3 × 3J6772 × 444889

R2B = 89J × 6498663J7J × 251444JJJ759 × 14XB272766863

R2J = 2 × 7 × 2886199 × 538BJ0160573 × J0J0J0J0J0J0J0J0J1

R30 = 3 × 41 × 49 × 61 × 661 × 2131 × 9J31 × 93241 × 4B1J61 × 262B45X196971

RX7 = prime

R18X = prime

R52J = prime

R5B3 = prime

R607 = prime

R70X = prime

Example of J01-type numbers
RJ = 11222211 × JJ01

R19 = 122222222221 × J0J0J0J0J1

R1B = 1111222222221111 × JJJJ0001

R22 = 1122222222222211 × JJ00JJ00JJ01

R27 = 1233333333321 × J00J00J00J0JJ0JJ0JJ1

R2J = 12222222222222222221 × J0J0J0J0J0J0J0J0J1

Prime factors of squared repunits
1

121 (11^2, 2^2 * 7^2)

12321 (111^2, 3^2 * 49^2)

1234321 (R4^2, 2^4 * 5^2 * 7^2 * 14^2)

123454321 (R5^2)