9,000 

[Math.]  Sum (in degrees) of all internal angles of a 52-side polygon.

 

9000, 9001, 9002, 9003 & 9,004

[Tech.]  ISO-9000 is the ISO’s Standard for Quality Management System in the production environment. Its components are: ISO 9001, 9002, 9003 and 9004.

 

9,002

[Math.]

1×8+1 = 9

12×8+2 = 98

123×8+3 = 987

1,234×8+4 = 9,876

12,345×8+5 = 98,765

123,456×8+6 = 987,654

1,234,567×8+7 = 9,876,543

12,345,678×8+8 = 98,765,432

123,456,789×8+9 = 987,654,321

1,234,567,890×8+90 = 9,876,543,210

      (start of a new cycle)

12,345,678,901×8+901 = 98,765,432,109

123,456,789,012×8+9,002 = 987,654,321,098

1,234,567,890,123×8+90,003 = 9,876,543,210,987

12,345,678,901,234×8+900,004 = 98,765,432,109,876

123,456,789,012,345×8+9,000,005 = 987,654,321,098,765

1,234,567,890,123,456×8+90,000,006 = 9,876,543,210,987,654

12,345,678,901,234,567×8+900,000,007 = 98,765,432,109,876,543

123,456,789,012,345,678×8+9,000,000,008 = 987,654,321,098,765,432

1,234,567,890,123,456,789×8+90000000009 = 9,876,543,210,987,654,321

12,345,678,901,234,567,890×8+ 900000000090 = 98,765,432,109,876,543,210

... (end of cycle) ...

  

9,011

[Math.]  A prime number. 

90112 = 81,198,121 consisting of 2 consecutive odd numbers, 8119 and 8121.

 

9,018

[Math.]  90182 = 81,324,324.

 

9,037

[Math.]  Two multiples of number 9037, 9037×2 = 18,074 and 9037×7 = 63,259, use each of 10 digits 0-9 once.

 

9,045

[Math.] A triangular number (sum of all integers from 1 to 134): 9045 = 1+2+…+133+134.

 

9,077

[Math.]  One of Markov numbers are… 169, 194, 233, 433, 610, 985, 1325, 1597, 2897, 4181, 5741, 6466, 7561, 9077, 10946…

 

9,078

[Math.]  90783 = 748,118,742,552 has each of its digits occurring twice.

 

9,079

[Math.]  Square numbers, which are concatenation of 2 consecutive numbers: 78102 = 60,996,100; 90792 = 82,428,241 and 99012 = 98,029,801.

 

9092.184

[Measure] 1 peck = 9092.184 ml (milliliters). British imperial units for dry and liquid measures: 1 bushel = 4 pecks = 8 gallons = 32 quarts = 64 pints = 256 gills = 1280 fluidounces = 36.368736 liters.

 

9,093

[Math.] 90932 = 82,682,649.

   

09nnn

[Zip]  U.S. Postal Zip Codes of APO Europe (AE): 090nn-094nn and 096nn-098nn.

U.S. Postal Zip Codes of FPO Europe (AE): 095nn-098nn.