740

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

 

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

 

[Tech.]  Volvo’s numbered series: 140 (142, 144, 145), 164, 240 (242, 244, 245), 260 (262, 264, 265), 340 (343, 345), 360, 440, 460, 480, 740, 760, 780, 850, 940 and 960. Digit 0 is replaced by the number of doors.

 

741

[Math.]  A triangular number (sum of all integers from 1 to 38): 741 = 1+2+…+37+38.

 

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

 

[Science]  The speed of sound or Mach 1.0, (741.8mph, miles/hour) or 331.6 m/s (meters/second), at 0 oC and 1 atm (atmosphere). This speed is not a constant, depending on the density, temperature and pressure of the environment it is traveling by.

 

742

[Math.]  The 8th Keith number: 7, 4, 2, 13, 19, 34, 66, 119, 219, 404, 742, 1365…

 

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

 

743

[Math.]  A prime number.

 

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

 

744

[Calendar]  The number of hours in a 31-day month.

 

[Math.]  (e^(p´1631/2)–744)1/3 = 640,319.9999999999999999999999993903… is a transcendental number (i.e., not a root of any polynomial equation with integer coefficients)extremely close to the integer 640,320.

 

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

 

[World]  The ISO country code for Svalbard & Jan Mayen Islands. (ISO-3166)

 

745

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

 

[Tech.]  1 mechanical/regular/traditional horsepower (hp) = 745.7 W (watts) = 550 ft×lb/s (feet×pound/second).

 

746

[Math.]  746 = 17+24+36.

 

[Math.]  A pan-digital factorization: 291,548,736 = 8×92×531×746. 

It is still true to add one digit 0 on both sides of the equality.

 

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

 

[Tech.]  1 electric horsepower (hp) =746W (watts) = 550.221 ft×lb/s (feet×pound/second).

 

747

[Gov.]  The tail numbers of the current Air Force One (Boeing 747-200B with Air Force designation VC-25A) are 28000 and 29000.

 

[Tech.]  Boeing 747 airplane, a member in the family of passenger airplane/jetliner models “7n7”: 707, 717, 727, 737, 747, 757, 767, 777, 7E7 and 787. The [World]’s largest long-range passenger jetliner was designed in 1965. Its capacity is up to 524 passengers, cruising speed is 583 mph and non-stop flight distance is 8,826 miles.

 

748

[Math.]  7484 = 313,044,726,016 = (+1+3+0+4+4+726+0+1+6)4.

 

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

 

749

[Math.]  Its odd powers end with 749. Its even powers end with 001.

 

740-749

[Library]  Numbers 700-799 are the first 3 digits in Dewey Decimal Classification System call numbers for library books in Fine Arts (Painting, Music, Sport and Photography…). Numbers 740-749 are for books in Drawings and Decorative Arts…