137 (number)

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137 is the natural number following 136 and preceding 138.

List of numbers — Integers << 100 110 120 130 140 150 160 170 180 190 >>
Cardinal	One hundred [and] thirty seven
Ordinal	137th
Factorization
Roman numeral	CXXXVII
Binary	10001001
Hexadecimal	89

Table of contents

1 Mathematics 2 Physics 3 Other fields 4 External links

Mathematics

One hundred thirty-seven is the 33rd prime number; the next is 139, with which it comprises a twin prime.

Using two radii to divide a circle according to the golden ratio yields sectors of approximately 137° (the golden angle) and 222°.

Physics

The numerical value of the fine structure constant α, a dimensionless physical constant, is approximately 1/137. The physicist Arthur Eddington at one time thought α to be exactly 1/137, but careful measurements have shown this not to be the case: its value is currently estimated at 1/137.035 999 76(50).

Other fields

137 is also:

• The year AD 137 or 137 BC.

See also: 130s, list of numbers

External links

• "Cosmic Numerology"