tables > repunit > 21

Base 21 Repunits

Table

Viewing: 672 – 672 << prev next >>

(available: 0-999)

Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>

* 672: \[{21^{672}-1\over20}\] 25 × 11 × 13 × 17 × 29 × 43 × 61 × 73 × 97 × 113 × 193 × 337 × 421 × 433 × 463 × 617 × 631 × 673 × 1217 × 2689 × 3181 × 3319 × 3697 × 4789 × 6427 × 12097 × 18481 × 31873 × 62897 × 97241 × 300673 × 912521 × 1001713 × 1376257 × 7658113 × 13352641 × 25392481 × 81867661 × 227633407 × 290685697 × 518118697 × 6857635489<10> × 68454248717<11> × 115593326297<12> × 266902182961<12> × 360058801537<12> × 831380909129<12> × 22864311556633<14> × 31548272195219921<17> × 93310250563834657<17> × 936467984954383841<18> × 226108215051938888394049<24> × 2934413293238858072198024161<28> × 67888223448153422105362819002556545290401<41> × 1432367584775648032290819051792496005705116017<46> × 2774300000368737687891868483184052563250138593521153<52> × 3089575926780444770383361777867483120304250370709405228977775262458885251137<76> × 87450493576622721619527753467135154239906988598728664231668992479969380242355342027217889<89> × [3997954758872740898759328826576103756843674891612907627693164081230214462930968997034931605434034208304673602258776211036491586474514667178424593620670673682567385384759526662320314491730051656937449405988913127829641981552196497480858410433<241>]

Index range: 672 – 672 << prev next >>