| Maximum number of party attendees, perhaps |
| Acct. numbers |
| Numbers that never get smaller |
| Atomic number 44 symbol |
| Result of two people with incompatible values exchanging numbers, perhaps |
| Numbered cube |
| German Romantic songs for solo voice |
| Met solos, perhaps |
| Solo |
| Indefinite number |
| A napkin with the name of a hotel and the indentations of a phone number on a notepad, etc. |
| Great numbers |
| Approx. number |
| Solo exercises |
| Solos for sopranos |
| Andrea Bocelli numbers |
| Suffix on ordinal numbers |
| Melodious solos |
| Number that's physically impossible to write out in standard form |
| An Infinite Number of Monkeys" mystery writer Roberts |
| Unlucky Roman number? |
| Like negative numbers, seemingly |
| Suffix of most ordinal numbers |
| Aaron Neville number about "The Scream"? |
| Han Solo captor |
| A predecessor of Solon |
| Cartoonist Gardner's unlisted number? |
| Operatic solo for Plácido Domingo |
| Number for an acid |
| Operator's number? |