590

[Phone]  International telephone dialing code for Guadeloupe and Saint Barthelemy.

 

[Tech.]  The “number system” code of an EAN-13 barcode for Poland’s products.

 

591

[Measure]  One of popular volumes (milliliters or 20 fluid ounces) of a soft drink bottle.

 

[Phone]  International telephone dialing code for Bolivia.

 

[World]  The ISO country code for Panama. (ISO-3166)

 

[Measure]  Commercially: 1 fluid ounce = 576 drops, 1 drop = 0.051 ml and a pharmacist’s drop is rounded to exactly 0.05 ml. Then 1 fluid ounce = 591.5 pharmacist’s drops.

U.S. customary units for kitchen measurements: ½ pints = 1 cup = 8 fluid ounces = 16 tablespoons = 48 teaspoons = 2880 drops = 236.588 ml.

 

592

[Phone]  International telephone dialing code for Guyana.

 

593

[Math.]  A right-truncatable prime number: self, 59 and 5 are prime numbers.

 

[Math.]  One of only a few prime numbers of the form (xy+yx): 593 = 29+92.

 

[Phone]  International telephone dialing code for Ecuador.

 

594

[Math.]  594 = 15+29+34.

 

[Phone]  International telephone dialing code for French Guiana.

 

[Tech.]  The “number system” code of an EAN-13 barcode for Romania’s products.

 

595

[Math.]  A triangular number (sum of all integers from 1 to 34): 595 = 1+2+…+33+34.

 

[Phone]  International telephone dialing code for Paraguay.

 

596

[Phone]  International telephone dialing code for French Antilles, Martinique and Saint Martin.

 

597

[Phone]  International telephone dialing code for Suriname.

 

598

[Math.]  598 = 51+92+83.

 

[Phone]  International telephone dialing code for Uruguay.

 

[World]  The ISO country code for Papua New Guinea. (ISO-3166)

 

599

[Math.]  A right-truncatable prime number: self, 59 and 5 are prime numbers.

 

[Phone]  International telephone dialing code for Netherlands Antilles, Curacao, Saint Eustatius and Saint Maarten.

 

[Tech.]  The “number system” code of an EAN-13 barcode for Hungary’s products.

 

 590-599

[Library]  Numbers 500-599 are the first 3 digits in Dewey Decimal Classification System call numbers for library books in Pure Sciences (Mathematics, Astronomy and Chemistry…)  Numbers 590-599 are for books in Zoological Sciences.