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Maths amazing facts

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Maths amazing facts

1. 1. Day of the Week: January has 31 days. It means that every date in February will be 3 days later than the same date in January(28 is 4 weeks exactly). The below table is calculated in such a way. Remember this table which will help you to calculate. January 0 February 3 March 3 April 6 May 1 June 4 July 6 August 2 September 5 October 0 November 3 December 5 Step1: Ask for the Date. Ex: 23rd June 1986 Step2: Number of the month on the list, June is 4. Step3: Take the date of the month, that is 23 Step4: Take the last 2 digits of the year, that is 86. Step5: Find out the number of leap years. Divide the last 2 digits of the year by 4, 86 divide by 4 is 21. Step6: Now add all the 4 numbers: 4 + 23 + 86 + 21 = 134. Step7: Divide 134 by 7 = 19 remainder 1. The reminder tells you the day. Sunday 0 Monday 1 Tuesday 2 Wednesday 3 Thursday 4 Friday 5 Saturday 6 Answer: Monday -----------------------------------------------------------------------------------------------------------------------------------
2. 2. Names for Powers of 10 Know the names of the Power 10 which is really amazing. Enjoy the Interesting Facts of numbers list. Names for Powers of 10 Values Zero's Names 100 0 One 101 1 Ten 102 2 Hundred 103 3 Thousand 104 4 Myriad 106 6 Million 109 9 Billion 1012 12 Trillion 1015 15 Quadrillion 1018 18 Quintillion 1021 21 Sextillion 1024 24 Septillion 1027 27 Octillion 1030 30 Nonillion 1033 33 Decillion 1036 36 Undecillion 1039 39 Duodecillion 1042 42 Tredecillion 1045 45 Quattuordecillion 1048 48 Quindecillion 1051 51 Sexdecillion 1054 54 Septdecillion / Septendecillion 1057 57 Octodecillion 1060 60 Nondecillion / Novemdecillion 1063 63 Vigintillion 1066 66 Unvigintillion 1069 69 Duovigintillion 1072 72 Trevigintillion 1075 75 Quattuorvigintillion 1078 78 Quinvigintillion 1081 81 Sexvigintillion 1084 84 Septenvigintillion 1087 87 Octovigintillion
3. 3. 1090 90 Novemvigintillionn 1093 93 Trigintillion 1096 96 Untrigintillion 1099 99 Duotrigintillion 10100 100 Googol 10102 102 Trestrigintillion 10120 120 Novemtrigintillion 10123 123 Quadragintillion 10138 138 Quinto-Quadragintillion 10153 153 Quinquagintillion 10180 180 Novemquinquagintillion 10183 183 Sexagintillion 10213 213 Septuagintillion 10240 240 Novemseptuagintillion 10243 243 Octogintillion 10261 261 Sexoctogintillion 10273 273 Nonagintillion 10300 300 Novemnonagintillion 10303 303 Centillion 10309 309 Duocentillion 10312 312 Trescentillion 10351 351 Centumsedecillion 10366 366 Primo-Vigesimo-Centillion 10402 402 Trestrigintacentillion 10603 603 Ducentillion 10624 624 Septenducentillion 10903 903 Trecentillion 102421 2421 Sexoctingentillion 103003 3003 Millillion 103000003 3000003 Milli-Millillion --------------------------------------------------------------------------------------- Amazing Prime Numbers Here are few amazing prime numbers, these prime numbers were proved by the XVIIIth century. 31 331 3331 33331 333331 3333331 33333331 The next number 333333331 is not a prime number. Whereas it is multiplied by 17 x 19607843 = 333333331. ------------------------------------------------------------------------------------------------------------------------------------------------------