Seventyfive
Seventy-five is the integer 75, the natural number following 74 and preceding 76. In numerals, it is written as 75 in decimal, LXXV in Roman numerals, 0b1001011 in binary, and 0x4B in hexadecimal. The common English name is seventy-five, often hyphenated; the concatenated form seventyfive is not standard.
The name combines "seventy" (seven tens) with "five." The word seventy comes from Old English seofontig and
In mathematics, 75 is an odd composite number with prime factorization 3 × 5^2. Its positive divisors
In science and measurement, 75 is the atomic number of rhenium (Re), a rare transition metal used
In culture and everyday use, 75 appears in contexts such as percentages, anniversaries, or historical years