The 70 (number) reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

70 (number)

70 is the natural number following 69 and preceding 71.

List of numbers — Integers << 70 71 72 73 74 75 76 77 78 79 >>
Cardinal	seventy
Ordinal	70th (seventieth)
Numeral system
Factorization
Divisors	2, 5, 7, 10, 14, 35
Roman numeral	LXX
Binary	1000110
Hexadecimal	46

Mathematics

Seventy is a Pell number. Its factorization makes it a sphenic number. It is also pentagonal and a tridecagonal number.

Other fields

Seventy is:

• the atomic number of ytterbium, a lanthanide.
• the designation of USA Interstate 70, a freeway that goes from Utah to Maryland.
• In miles per hour, a common speed limit for freeways in many American states.
• The registry of the U.S. Navy's nuclear aircraft carrier USS Carl Vinson (CVN-70), named after U.S. Representative Carl Vinson.
• The number of the French department Haute-Saône.
• The number of elders assembled by Moses on God's command in the desert (Holy Bible, Numbers 11:16-30).
• The year AD 70, 70 BC, or 1970.

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