40 (number)

← 39 40 41 →
Cardinalforty
Ordinal40th
(fortieth)
Numeral systemquadragesimal
Factorization23 × 5
Divisors,40
Greek numeralΜ´
Roman numeralXL, xl
Latin prefixquadrage-
Binary1010002
Ternary11113
Senary1046
Octal508
Duodecimal3412
Hexadecimal2816
ArmenianԽ
Hebrewמ / ם
Babylonian numeral𒐏
Egyptian hieroglyph𓎉

40 (forty) is the natural number following 39 and preceding 41.

Though the word is related to four (4), the spelling forty replaced fourty during the 17th century and is now the standard form.

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.