Interesting number facts found from Internet

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  1. The numerical digits we use today such as 1, 2 and 3 are based on the Hindu-Arabic numeral system developed over 1000 years ago.
  2. Different names for the number 0 include zero, nought, naught, nil, zilch and zip.
  3. The smallest ten prime numbers are: 2, 3, 5, 7, 11, 13, 17, 19, 23 and 29.
  4. 2 and 5 are the only prime numbers that end with a 2 or a 5.
  5. Pi written to 100 decimal places:
  6. 3.1415926535897932384626433832795028841971693993751
  7. 058209749445923078164062862089986280348253421170679
  8. 111111111 x 111111111 = 12345678987654321
  9. 12 + 3 - 4 + 5 + 67 + 8 + 9 = 100

 Prime Numbers
A prime number can be divided, without a remainder, only by itself and by 1


Some interesting facts about prime numbers
2 is the only prime number.
No prime number greater than 5 ends in a 5
Zero and 1 are not considered prime numbers
Here is a table of all prime numbers up to 1,000:

	2	3	5	7	11	13	17	19	23
29	31	37	41	43	47	53	59	61	67
71	73	79	83	89	97	101	103	107	109
113	127	131	137	139	149	151	157	163	167
173	179	181	191	193	197	199	211	223	227
229	233	239	241	251	257	263	269	271	277
281	283	293	307	311	313	317	331	337	347
349	353	359	367	373	379	383	389	397	401
409	419	421	431	433	439	443	449	457	461
463	467	479	487	491	499	503	509	521	523
541	547	557	563	569	571	577	587	593	599
601	607	613	617	619	631	641	643	647	653
659	661	673	677	683	691	701	709	719	727
733	739	743	751	757	761	769	773	787	797
809	811	821	823	827	829	839	853	857	859
863	877	881	883	887	907	911	919	929	937
941	947	953	967	971	977	983	991	997