Seventy

Seventy (70, LXX) is a natural number following sixty-nine and preceding seventy-one. It is a composite number with the divisors being 2, 5, 7, 10, 14 and 35. It is a sphenic number and a Pell number. Its factorization is:

See also: sixty, seventy, eighty, integer, list of numbers.

Seventy is also:

• 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 elders assembled by Moses on God's command in the desert (Holy Bible, Numbers 11:16-30).

For the year AD 70, see 70.