200 (number)
natural number From Wikipedia, the free encyclopedia
200 (two hundred) is the natural number after 199 and before 201.
| ||||
|---|---|---|---|---|
| Cardinal | two hundred | |||
| Ordinal | 200th (two hundredth) | |||
| Factorization | 23× 52 | |||
| Divisors | 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200 | |||
| Greek numeral | Σ´ | |||
| Roman numeral | CC | |||
| Binary | 110010002 | |||
| Ternary | 211023 | |||
| Quaternary | 30204 | |||
| Quinary | 13005 | |||
| Senary | 5326 | |||
| Octal | 3108 | |||
| Duodecimal | 14812 | |||
| Hexadecimal | C816 | |||
| Vigesimal | A020 | |||
| Base 36 | 5K36 | |||
It is the smallest unprimeable number because changing only one of the digits will still result in a composite number.
- If we change the first digit to any other digit, we get numbers like 100, 300, 400, and so on. None of these are prime numbers.
- If we change the second digit to any other digit, we get numbers like 210, 220, 230, and so on. None of these are prime numbers.
- If we change the third digit to any other digit, we get numbers like 201, 202, 203, 204, 205, 206, 207, 208, and 209. Yet again, none of these are prime numbers.
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