Denominator value | priority of use |
Whole numbers | [only if the value is too close to that of a whole number and less than 1/120 of a whole number off from it] |
2 | 10 |
3 | 9 |
4 | 9 |
5 | 9 |
6 | 8 |
7 | 6 |
8 | 9 |
9 | 7 |
10 | 9 |
11 | 2 |
12 | 8 |
14 | 4 |
15 | 5 |
16 | 3 |
18 | 2 |
20 | 8 |
24 | 3 |
25 | 8 |
30 | 7 |
40 | 7 |
50 | 8 |
60 | 5 |
70 | 1 |
80 | 4 |
90 | 3 |
100 | 2 |
greater than 100 | only if something comes out exactly or so close to it, especially from doing division |
number name | exponential value | prefix |
one | 0 | — — |
thousand | 3 | — — |
million | 6 | 1 |
billion | 9 | 2 |
trillion* | 12 | 3 |
quadrillion | 15 | 4 |
quintillion | 18 | 5 |
sextillion | 21 | 6 |
septillion | 24 | 7 |
octillion | 27 | 8 |
nonillion | 30 | 9 |
decillion** | 33 | 10 |
undecillion | 36 | 11 |
duodecillion | 39 | 12 |
tredecillion | 42 | 13 |
quattuordecillion | 45 | 14 |
quindecillion | 48 | 15 |
sexdecillion | 51 | 16 |
septendecillion | 54 | 17 |
octodecillion | 57 | 18 |
novemdecillion | 60 | 19 |
vigintillion*** | 63 | 20 |
unvigintillion | 66 | 21 |
duovigintillion | 69 | 22 |
trevigintillion | 72 | 23 |
quattuorvigintillion | 75 | 24 |
quinvigintillion | 78 | 25 |
sexvigintillion | 81 | 26 |
septenvigintillion | 84 | 27 |
octovigintillion | 87 | 28 |
novemvigintillion | 90 | 29 |
trigintillion | 93 | 30 |
untrigintillion | 96 | 31 |
duotrigintillion | 99 | 32 |
googol† | 100 | — — |
tretrigintillion | 102 | 33 |
quattuortrigintillion | 105 | 34 |
quintrigintillion | 108 | 35 |
sextrigintillion | 111 | 36 |
septentrigintillion | 114 | 37 |
octotrigintillion | 117 | 38 |
novemtrigintillion | 120 | 39 |
quadragintillion | 123 | 40 |
unquadragintillion | 126 | 41 |
duoquadragintillion | 129 | 42 |
trequadragintillion | 132 | 43 |
quattuorquadragintillion | 135 | 44 |
quinquadragintillion | 138 | 45 |
sexquadragintillion | 141 | 46 |
septenquadragintillion | 144 | 47 |
octoquadragintillion | 147 | 48 |
novemquadragintillion | 150 | 49 |
quinquagintillion | 153 | 50 |
unquinquagintillion | 156 | 51 |
duoquinquagintillion | 159 | 52 |
trequinquagintillion | 162 | 53 |
quattuorquinquagintillion | 165 | 54 |
quinquinquagintillion | 168 | 55 |
sexquinquagintillion | 171 | 56 |
septenquinquagintillion | 174 | 57 |
octoquinquagintillion | 177 | 58 |
novemquinquagintillion | 180 | 59 |
sexagintillion | 183 | 60 |
unsexagintillion | 186 | 61 |
duosexagintillion | 189 | 62 |
tresexagintillion | 192 | 63 |
quattuorsexagintillion | 195 | 64 |
quinsexagintillion | 198 | 65 |
sexsexagintillion | 201 | 66 |
septensexagintillion | 204 | 67 |
octosexagintillion | 207 | 68 |
novemsexagintillion | 210 | 69 |
septuagintillion | 213 | 70 |
unseptuagintillion | 216 | 71 |
duoseptuagintillion | 219 | 72 |
treseptuagintillion | 222 | 73 |
quattuorseptuagintillion | 225 | 74 |
quinseptuagintillion | 228 | 75 |
sexseptuagintillion | 231 | 76 |
septenseptuagintillion | 234 | 77 |
octoseptuagintillion | 237 | 78 |
novemseptuagintillion | 240 | 79 |
octogintillion | 243 | 80 |
unoctogintillion | 246 | 81 |
duooctogintillion | 249 | 82 |
treoctogintillion | 252 | 83 |
quattuoroctogintillion | 255 | 84 |
quinoctogintillion | 258 | 85 |
sexoctogintillion | 261 | 86 |
septenoctogintillion | 264 | 87 |
octooctogintillion | 267 | 88 |
novemoctogintillion | 270 | 89 |
nonagintillion | 273 | 90 |
unnonagintillion | 276 | 91 |
duononagintillion | 279 | 92 |
trenonagintillion | 282 | 93 |
quattuornonagintillion | 285 | 94 |
quinnonagintillion | 288 | 95 |
sexnonagintillion | 291 | 96 |
septennonagintillion | 294 | 97 |
octononagintillion | 297 | 98 |
novemnonagintillion | 300 | 99 |
centillion‡ | 303 | 100 |
uncentillion | 306 | 101 |
duocentillion | 309 | 102 |
etc. | etc. | etc. |
ducentillion | 603 | 200 |
unducentillion | 606 | 201 |
etc. | etc. | etc. |
tricentillion? | 903 | 300 |