Base 21 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 440: | 23 × 5 × 112 × 13 × 17 × 23 × 41 × 89 × 353 × 661 × 881 × 2971 × 6073 × 39161 × 40841 × 97241 × 185641 × 285121 × 3441241 × 10362529 × 313433209 × 715521049 × 920421641 × 5664205361<10> × 2599537710221<13> × 5271047011121<13> × 17513875027111<14> × 415710882920521<15> × 1218921094812961<16> × 9036610069262821<16> × 29831330140869137<17> × 32775913825604401<17> × 270573999780463721<18> × 8407123807237422961<19> × 4718573764413203147069<22> × 54598616218616435702441<23> × 140065954810191667464461<24> × 427340685127009875562001<24> × 109059874229221664821286941<27> × 3246571517440758538481384401171<31> × 762668084012884310732133805935517674927351001<45> × 590800532609575036150818256965291766063542674433453750506561<60> × 43492187498430121295309260951930956767997477070837345407805458771569975641<74> |