153 (number)

One hundred fifty-three is the natural number following one hundred fifty-two and preceding one hundred fifty-four. As a triangular number, it is the sum of the first 17 integers, and also the sum of the first five factorials. (It's also a hexagonal number). It is a Harshad number. Since 153 = 1^3 + 5^3 + 3^3, it is a 3-narcissistic number. And it is a Friedman number since 153 = 3 * 51. Evagrius Ponticus considered 153 to represent a harmonization of contrasts, since 153 = 100 + 28 + 25, with 100 representing a square, 28 a triangle and 25 a circle.

One hundred fifty-three is also

The number of fishes caught by Simon Peter, "yet the net was not broken" (Holy Bible, John 21:11).
Considered by St. Augustine to represent seven gifts of the Holy Spirit and ten requirements of God
the frequency of the longwave transmitters Donebach, Ingoy and Brasov in kilohertz.

See also: 150 (number) For the year, see 153 AD.

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