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The natural numbers < are trivial narcissistic numbers for all , all other narcissistic numbers are nontrivial narcissistic numbers. For example, the number 153 in base b = 10 {\displaystyle b=10} is a narcissistic number, because k = 3 {\displaystyle k=3} and 153 = 1 3 + 5 3 + 3 3 {\displaystyle 153=1^{3}+5^{3}+3^{3}} .
The number 153 is also a hexagonal number, and a truncated triangle number, meaning that 1, 15, and 153 are all triangle numbers. The distinct prime factors of 153 add up to 20, and so do the ones of 154, hence the two form a Ruth-Aaron pair.
Two conventions have been used to number the X-15's flights. In one, the numbers 1 through 199 were used to chronologically denote the free flights made by any of the three spaceplanes. For example, flight 1 (8 June 1959) was made by the X-15-1, flight 34 (7 March 1961) was made by the X-15-2, and flight 49 (5 April 1962) was made by the X-15-3.
2 Armstrong County. 3 Beaver County. 4 Berks County. 5 Butler County. 6 Chester County. ... [153] Gilpin Township VFD, Station 100 [154] Kiski Township VFD, Station ...
The design for the Model 1887 originated in Britain and was based on an export model from Armstrong Whitworth called the Pattern M. [1] The Italians called the gun Cannon 152/32 Model 1887 and it was the first 152 mm in Italian service and saw action in the Boxer Rebellion and Italo-Turkish War.
Number built: 1 The Lasco Lascondor ... A major change was the Lascondor's three Armstrong Siddeley Mongoose engines instead of the ... Cruise speed: 95 mph (153 km/h ...
Members of the Congressional Black Caucus will be wearing black pins with the number “1870” on ... the institution of policing that has killed thousands of Black people in the 153 years since. ...
The gun at right, towed by elephants, appears to be a rifled breech loader (RBL) 40-pounder Armstrong. [10] Two of the five examples known to survive in Bermuda, on display at the UNESCO World Heritage Centre, St. George's. A number of different carriages for guns employed for Land Service were available.