200 (number)

200 (two hundred) is the natural number after 199 and before 201.

← 199 200 201 →
← 200 201 202 203 204 205 206 207 208 209 → List of numbers — Integers ← 0 100 200 300 400 500 600 700 800 900 →
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.