tables > repunit > 20

Base 20 Repunits

Table

Viewing: 90 – 90 << prev next >>

(available: 0-999)

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

90: \[{20^{90}-1\over19}\] 33 × 7 × 11 × 31 × 61 × 127 × 181 × 251 × 307 × 421 × 541 × 1621 × 3001 × 53101 × 54541 × 69481 × 152381 × 261451 × 64008001 × 26876632021<11> × 79083953101<11> × 3994611390415801<16> × 1938171611440030321<19>

Index range: 90 – 90 << prev next >>