280 (number)

← 279 280 281 →
Cardinaltwo hundred eighty
Ordinal280th
(two hundred eightieth)
Factorization23 × 5 × 7
Greek numeralΣΠ´
Roman numeralCCLXXX, cclxxx
Binary1000110002
Ternary1011013
Senary11446
Octal4308
Duodecimal1B412
Hexadecimal11816

280 (two hundred [and] eighty) is the natural number after 279 and before 281.

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