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abstraction > mathematical concept > number > constant > unit prefix
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unit prefix comparison table
Subject has value has symbol
atto10-18a
centi10-2c
deci10-1d
deka101da
exa1018E
femto10-15f
giga109G
hecto102h
kilo103k
mega106M
micro10-6μ
milli10-3m
nano10-9n
peta1015P
pico10-12p
tera1012T
yocto10-24y
yotta1024Y
zepto10-21z
zetta1021Z

Next constantastronomical constant    Upconstant    Previous constantmathematical constant