67 (number) Guide, Meaning , Facts, Information and Description

67 is the natural number following 66 and preceding 68.

Cardinal	sixty-seven
Ordinal	67th (sixty-seventh)
Factorization	prime
Roman numeral	LXVII
Binary	1000011
Hexadecimal	43

Mathematics

Sixty-seven is the 19th prime number (the next is 71), an irregular prime, a lucky prime, and the sum of five consecutive primes (7 + 11 + 13 + 17 + 19). It is a discriminant to the Heegner number -67.

Other fields

Sixty-seven is also:

• The atomic number of holmium, a lanthanide.
• The registry of the U.S. Navy's aircraft carrier USS John F. Kennedy (CV-67), named after U.S. President John F. Kennedy.
• The number of the French department Bas-Rhin.
• Part of the name of the Ottawa 67's, founded in 1967.
• The year AD 67, 67 BC, or 1967.

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