| ||||
---|---|---|---|---|
Cardinal | one thousand | |||
Ordinal | 1000th (one thousandth) | |||
Factorization | 23× 53 | |||
Greek numeral | ,Α´ | |||
Roman numeral | M | |||
Binary | 11111010002 | |||
Ternary | 11010013 | |||
Quaternary | 332204 | |||
Quinary | 130005 | |||
Senary | 43446 | |||
Octal | 17508 | |||
Duodecimal | 6B412 | |||
Hexadecimal | 3E816 | |||
Vigesimal | 2A020 | |||
Base 36 | RS36 |
1000 (1,000, one thousand or thousand for short) is the natural number after 999 and before 1001. One thousand thousands is known as a million.
In Roman Numerals, 1000 is written as M.