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57 (number) - Wikipedia

As a semiprime, 57 is a Blum integer since its two prime factors are both Gaussian primes. 57 is a 20-gonal number. It is a Leyland number since 2 5 + 5 2 = 57. 57 is a repdigit in base 7 (111). There are 57 vertices and 57 hemi-dodecahedral facets in the 57-cell, a 4-dimensional abstract regular polytope..

57 - definition of 57 by The Free Dictionary

Define 57. 57 synonyms, 57 pronunciation, 57 translation, English dictionary definition of 57. Adj. 1. 57 - being seven more than fifty fifty-seven, lvii cardinal - being or denoting a numerical quantity but not order; "cardinal numbers" Based on... 57 - definition of 57 by The Free Dictionary..

57 - What does 57 stand for? The Free Dictionary

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How to Use *57 to Trace a Phone Call | Techwalla

The *57 phone trace service is an excellent tool for individuals who may be attempting to document harassing or threatening calls they have received. Although *57 is not a GPS tracker, it is indispensable in helping individuals collect the information they need to refer threats to law enforcement..

Ruger-57™

The all new Ruger-57™ is just plain cool. Brought to you by the company that revolutionized the innovation of rugged, reliable firearms that the average American can afford, the Ruger-57™ is our most cutting-edge platform yet. Chambered in the high performance and low-recoiling 5.7x28mm caliber, this ergonomic, smooth shooting and accurate ....