Number 111

A page of the Numeropedia - the Special Encyclopedia of Numbers

1  - 10 - 100  - 1000 - 10,000 - 100,000 - 1M - 10M - 100M1B10B - 100B - 1T - 10T - 100T - 1Q

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Back to [Numbers 110-119] & Number 110]

[Chemistry]  The atomic number of the chemical element Uuu (Unununium, Latin word for 111).

[Math.]  The smallest number, consisting of only repeated digits 1, that is a composite number. 11 is a prime number.

[Math.]

1×9+2 = 11

12×9+3 = 111

123×9+4 = 1,111

1234×9+5 = 11,111

12,345×9+6 = 111,111

123,456×9+7 = 1,111,111

1,234,567×9+8 = 11,111,111

12,345,678×9+9 = 111,111,111

123,456,789×9+10 = 1,111,111,111

1,234,567,900×9+11 = 11,111,111,111

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[Math.]

1112 = 12,321 and 1113 = 1,367,631.

[Math.]

1×1 = 1

11×11 = 121

111×111 = 12321

1111×1111 = 1234321

11111×11111 = 123454321

111111×111111 = 12345654321

1111111×1111111 = 1234567654321

11111111×11111111 = 123456787654321

111111111×111111111 = 12345678987654321

1111111111×1111111111 = 1234567900987654321.

[Math.]

3×37 = 111

33×3367 = 111,111

333×333667 = 111,111,111

3333×33336667 = 111,111,111,111

33333×3333366667 = 111,111,111,111,111

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[Math.]  111×(11+1) = 113+13 = 1,332.

[Phone]  The emergency telephone number dialing within New Zealand.

[Science]  The wind velocity ranges in each of 5 categories in the Saffir-Simpson Hurricane Intensity Scale:

 Scale (Category) Wind Velocity (miles/hour) Category 1 74-95 mph Category 2 96-110 mph Category 3 111-130 mph Category 4 131-155 mph Category 5 > 156mph.

[Tech.]  The number of tiny screws tightening a compartment door on the Hubble Space Telescope, which needed to be removed to fix the faulty electronic board of the Space Telescope Imaging Spectrograph.

111.3

[Geology]  The length (km, kilometers) for each degree of latitude

The maximum length (km, kilometers) for each degree of longitude at the Equator.

110-119

[Library] Numbers 100-199 are the first 3 digits in Dewey Decimal Classification System call number for library books in Philosophy, Psychology and Ethics… Numbers 110-119 are for books in Metaphysics, Ontology, Cosmology, Space, Time, Numbers and Quantity… Number 119 is for books in Numbers and Quantity.