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155 (number): Difference between revisions - Wikipedia Jump to content

155 (number): Difference between revisions

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** [[155th Street (IND Eighth Avenue Line)|155th Street]] station at [[Saint Nicholas Avenue (Manhattan)|Saint Nicholas Avenue]] on the [[IND Eighth Avenue Line]], served by the [[A (New York City Subway service)|A]] and [[C (New York City Subway service)|C]] lines
** [[155th Street (IND Eighth Avenue Line)|155th Street]] station at [[Saint Nicholas Avenue (Manhattan)|Saint Nicholas Avenue]] on the [[IND Eighth Avenue Line]], served by the [[A (New York City Subway service)|A]] and [[C (New York City Subway service)|C]] lines
** [[155th Street (IRT Ninth Avenue Line)|155th Street]] was the [[IRT Ninth Avenue Line|Ninth Avenue elevated line]]’s north terminal from 1870 to 1958
** [[155th Street (IRT Ninth Avenue Line)|155th Street]] was the [[IRT Ninth Avenue Line|Ninth Avenue elevated line]]’s north terminal from 1870 to 1958
* [[Interstate 155]]:
* [[Interstate 155 (disambiguation)]]:
** [[Interstate 155 (Illinois)]], a spur to [[Peoria, Illinois]]
** [[Interstate 155 (Illinois)]], a spur to [[Peoria, Illinois]]
** [[Interstate 155 (Missouri-Tennessee)]], a spur to [[Dyersburg, Tennessee]]
** [[Interstate 155 (Missouri-Tennessee)]], a spur to [[Dyersburg, Tennessee]]

Revision as of 01:57, 29 January 2014

← 154 155 156 →
Cardinalone hundred fifty-five
Ordinal155th
(one hundred fifty-fifth)
Factorization5 × 31
Divisors1, 5, 31, 155
Greek numeralΡろーΝにゅーΕいぷしろん´
Roman numeralCLV
Binary100110112
Ternary122023
Senary4156
Octal2338
Duodecimal10B12
Hexadecimal9B16

155 (one hundred fifty-five or one hundred and fifty-five) is the natural number following 154 and preceding 156. It is a composite number and a semiprime.

If you add up all the primes from the least through the greatest prime factors of 155, that is, 5 and 31, the result is 155. (sequence A055233 in the OEIS) Only three other small semiprimes (10, 39, and 371) share this attribute.

There are 155 primitive permutations of degree 81. OEISA000019

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155 is also:

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