4000 (number)

← 3999 4000 4001 →
Cardinalfour thousand
Ordinal4000th
(four thousandth)
Factorization25× 53
Greek numeral,Δ´
Roman numeralIV
Binary1111101000002
Ternary121110113
Quaternary3322004
Quinary1120005
Senary303046
Octal76408
Duodecimal239412
HexadecimalFA016
VigesimalA0020
Base 3633436

4000 (four thousand) is the natural number following 3999 and preceding 4001. 4000 in scientific notation is 4*10^3. 4000 is also a Harshad number, because 4000/4+0+0+0 is 1000.


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