The names of the periods above trillion are as follows...18th, sexdecillion...
Source: wiktionary
Sexdecillion
//ˌsɛksdəˈsɪl.i.ən//
Synonyms for "sexdecillion" (5 found)
Ranked by relevance and common usage.
Closest matches (1)
Numeral(1 words)
Strong matches (2)
Related words (2)
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
Related terms
1 entriesetymologically related_to
1 entrieshas context
3 entriesTranslations
13 translations across 9 languages.
Esperanto
1 entries- okiliardo num (1051)
Finnish
3 entries- oktiljardi num (1051)
- sedekiljoona num (1096 — see also untrigintillion)
- tuhat oktiljoonaa num (1051)
German
2 entries- Oktilliarde num (1051)
- Sexdezillion num (1096 — see also untrigintillion)
Hungarian
1 entries- oktilliárd num (1051)
Japanese
1 entries- 千極 num (1051)
Malay
1 entries- seksdesilion num (1051)
Mongolian
1 entries- асрахуй num (1051)
Polish
2 entries- seksdecylion num (1051)
- seksdecylion num (1096 — see also untrigintillion)
Russian
1 entries- сексдециллион num (1051)
Sample sentences
4 total sentences available.
1994, The Arithmetic Teacher, National Council of Teachers of Mathematics The answer is read as: 13 sexdecillion, 253 quindecillion, 796 quattuordecillion, 742 tredecillion....
Source: wiktionary
How many Stars Shine on Tiny Jennifer’s Hair? ... Two million, three hundred and forty nine thousand, eight hundred seventy five vigintillion, seven hundred fifty four novemdecillion, five hundred forty three octodecillion, four hundred fifty seven septendecillion, eight hundred ninety nine sexdecillion, eight hundred seventy three quindecillion, nine hundred forty five quattuordecillion, nine hundred eighty seven tredecillion, nine hundred eighty seven duodecillion, six hundred undecillion, nine hundred eighty three decillion...
Source: wiktionary
After the episode, which had several other startling “coincidences,” I computed the number of chances of it happening again as one in Six Septendecillion, Seven Hundred and Fifty Sexdecillion, with all circumstances the same.
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.