Jacques Pelletier Du Mans - New Naming Convention For Large Numbers

New Naming Convention For Large Numbers

While maintaining the original system of the French mathematician Nicolas Chuquet (1484) for the names of large numbers, Jacques Pelletier promoted milliard for 1012 which had been used earlier by Budaeus. In the late 17th century, milliard was subsequently reduced to 109. This convention is used widely in long scale countries.

The Chuquet-Pelletier system (long scale)
Base 10 Systematics Chuquet Peletier SI Prefix
10 0 million 0
unit
unit
(none)
10 3 Million 0.5
thousand
thousand
k (kilo)
10 6 Million 1
Million
Million
M (mega)
10 9 Million 1.5
thousand million
Milliard
G (giga)
10 12 Million 2
Billion
Billion
T (tera)
10 15 Million 2.5
thousand billion
Billiard
P (peta)
10 18 Million 3
Trillion
Trillion
E (exa)
10 21 Million 3.5
thousand trillion
Trilliard
Z (zetta)
10 24 Million 4
Quadrillion
Quadrillion
Y (yotta)

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