Its prime factorization is 5*31, and the sum of the prime numbers between 5 and 31, inclusively, is 155. There are 155 primitive permutation groups of degree 81.

Asteroids (155) Scylla is asteroid number 155. It was discovered by J. Palisa from Pula Observatory on 11/8/1875.

155 is the police emergency telephone number in Turkey. The year AD 155 was a year in the Julian calendar (used in ancient Rome). It was the year after AD 154 and before AD 156.

Explore the curious properties of number 155, an odd composite number composed of two distinct primes. Includes mathematical info, prime factorization, divisors, bases and much more! A …

Oct 17, 2025 · Army ‘hitting stride’ with 155mm production, but general worries over what’s needed next

Apr 25, 2025 · At the Camden facility, 155 mm metal projectile bodies are filled with explosive material, assembled with other components, and packed for shipment. It currently features two new LAP lines …

Nov 27, 2025 · "155 mm" is a very widely used calibre (barrel internal diameter) for artillery guns and their corresponding artillery shells. The 155 mm (6.1 in) caliber originated in France after the Franco …

While the US Navy 's Advanced Gun System (AGS) also uses a 155 mm (6.1 in) caliber, it is not compatible with NATO-standard 155 mm (6.1 in) ammunition. Only one type of ammunition was ever …

Welcome to “About The Number 155,” a website page dedicated to exploring the fascinating properties and significance of the number 155. Here, you’ll find intriguing mathematical facts, historical context, …

6 days ago · India’s ramjet-powered artillery shells extend 155mm gun range by up to 50 percent, delivering missile-like reach without redesigning existing artillery systems.