A145441 Exponents of multipliers 10^a(n) of SI prefixes, in increasing order.

1, 2, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30

Offset

1,2

Comments

Corresponding prefixes and symbols for n=1..12 are: deca(da), hecto(h), kilo(k), mega(M), giga(G), tera(T), peta(P), exa(E), zetta(Z), yotta(Y), ronna(R), quetta(Q).

There are reciprocal prefixes that have corresponding multipliers 1/10^a(n): deci(d), centi(c), milli(m), micro(µ), nano(n), pico(p), femto(f), atto(a), zepto(z), yocto(y), ronto(r), quecto(q).

Links

Table of n, a(n) for n=1..12.

Bureau International des Poids et Mesures, The International System of Units (SI): Prefixes.

Wikipedia, Metric prefix.

Crossrefs

A145442(n) = 10^a(n).

Sequence in context: A373698 A270139 A353159 * A308012 A383475 A077121

Adjacent sequences: A145438 A145439 A145440 * A145442 A145443 A145444

Keyword

fini,full,nonn

Author

Kang Seonghoon (lifthrasiir(AT)gmail.com), Oct 10 2008, Oct 17 2008

Extensions

Updated by adding a(11) and a(12) by Andrei Zabolotskii, Jan 28 2026

Status

approved