3,600

[Calendar]  The number of seconds in an hour.

1 week = 7 days = 168 hours = 10,080 minutes = 604,800 seconds.

 

[EECS]  3.6K(W) is one of standard numerical values for resistors (of tolerance class 5%).

 

[History]  The distance (miles) that Charles A. Lindbergh completed in the first non-stop solo trans-Atlantic flight on 20-21 May 1927, from Long Island, New York, U.S. to Paris, France in 33½ hours.

 

[Math.]  Sum (in degrees) of all internal angles of a 22-side polygon.

 

[Measure]  The time (seconds) that the minute hand rotates one full cycle (revolution) on a mechanical clock or watch or the hour hand rotates between 2 consecutive numbers (or hour marks).

 

3,617

[Math.]  A prime number. The numerator of the 16th Bernoulli number: B16 = 3617/510.

 

[Math.]  The infinite sum Sn(1/n16) = pi16×3617/325641566250 = z(16), where n runs over all positive integers and z(s) is the Riemann zeta function over complex variable s.

 

3,630

[Math.]  36304 = 173,630,693,610,000 and  3634 = 17,363,069,361.

 

3,635

[Math.]  36352 = 13,213,225.

 

3,637

[Math.]  A prime number, formed by 2 consecutive numbers.

 

3,651

[Calendar]  The least possible number of days in a period of ten consecutive years. E.g., from 1894 to 1903, there is only one leap year 1896.

 

3,652 & 3653

[Calendar]  The possible numbers of days in a decade: 3652 or 3653.

 

3,653

[Literature]  The number of days that Ivan Denisovich was in prison camp, in the novel A Day in the Life of Ivan Denisovich of Alexander Solzhenitsyn, whose won the Nobel prize in Literature in 1970.  The book closed as:

A day without a dark cloud. Almost a happy day. There were three thousand six hundred and fifty-three days like that in his stretch... Three thousand six hundred and fifty-three days. The three extra days were for leap years.


3,655

[Math.]  A triangular number (sum of all integers from 1 to 85): 3655 = 1+2+…+84+85.

 

3,671

[Math.]  A prime number whose digits are distinct and in the English alphabetical backward consecutive order.

 

3,674

[Math.]  Two multiples of number 1837, 1837×2 = 3674 and 1837×7 = 12,859, use each of 9 digits 1-9 once.

 

3,675

[Science]  The melting temperature of carbon (diamond) is about 3550 oC = 6422 oF and of carbon (graphite/amorphous) is 3675 oC = 6647 oF.

 

3,684

[Math.]  The 13th Keith number: 3, 6, 8, 4, 21, 39, 72, 136, 268, 515, 991, 1910, 3684, 7100...

 

3,699

[Math.]

692 = 136,161

36992 = 13682601

369992 = 1368926001

3699992 = 136899260001

36999992 = 13689992600001

3366992 = 113366,216601

336699992 = 11336688,32660001

33669999992 = 1133668899,3266000001

3366999999992 = 113366889999,326600000001

333,666,9992 = 111,333,666,221,666,001

333,666,999,9992 = 111,333,666,888,332,666,000,001

333,666,999,999,9992 = 111,333,666,888,999,332,666,000,000,001

3333,6666,99992 = 1111,3333,6666,2221,6666,0001

3333,6666,9999,99992 = 1111,3333,6666,8888,3332,6666,0000,0001.

...