Loading

Sciensational.com
Science facts and
trivia for everyone!

Not just science facts, Sciensational Facts!
Animals... plants... stars... planets... numbers... chemicals... metals! The biggest... the smallest... the fastest... the highest... the lowest...!

Fun

Mathematics Facts & Trivia

ElevenAny 2-digit number multiplied by 11 is a 3-digit number where the middle digit is the sum of other two, like: 21 × 11 = 231 (2+1=3) 13 × 11 = 143 (1+3=4) 44 × 11 = 484 (4+4=8) ... etc. Sciensational.comSubmitted by: Catrine Montano - Surigao, Philippines

ZeroThe value of zero was first used by the ancient Indian mathematician Aryabhata. Sciensational.comSubmitted by: Sundara Moorthy - Tiruppur, Tamil Nadu, India

NineThe sum of the digits of a number which is a multiple of 9 is always 9, ie, 45 : 4+5 = 9 1980 : 1+9+8+0=18 : 1+8 = 9 214164 : 2+1+4+1+6+4=18 : 1+8 = 9 etc. Sciensational.comSubmitted by: Vighneswar - India

Eight 9 × 9 + 7 = 88 98 × 9 + 6 = 888 987 × 9 + 5 = 8888 9876 × 9 + 4 = 88888 98765 × 9 + 3 = 888888 987654 × 9 + 2 = 8888888 ... (Multiplication & Succession.) Sciensational.comSubmitted by: Tyler - United States

Heart equationThe implicit curve equation (x2+y2-1)3-x2y3=0 produces the heart shape. Submitted by: Hyde - Toronto, Ontario, Canada

GoogolThe term Googol (10100, ie, 10 followed by 100 zeros) was invented by a 9-year old boy Milton Sirotta. Sciensational.comSubmitted by: Cynthia - San Francisco, California, United States

Reuleaux triangleThe Reuleaux Triangle is a shape of constant width other than a circle. Submitted by: Adarsh - Guraon, India

17 689 = 1332 177 6889 = 13332 1777 68889 = 133332 17777 688889 = 1333332 177777 6888889 = 13333332 ... Sciensational.comSubmitted by: Laxmana Perumal - Nagercoil, India

Millennium PrizeThe Seven Unsolved Millennium Prize Math Problems are:
1. P versus NP problem
2. Hodge Conjecture
3. Poincaré conjecture (solved in 2002)
4. Riemann Hypothesis
5. Yang-Mills Existence and Mass Gap
6. Navier-Stokes Existence and Smoothness
7. Birch and Swinnerton-Dyer Conjecture
Submitted by: Ravi - Mississauga, Ontario, Canada

Fibonacci tile The Fibonacci sequence are numbers where each following number is the sum of the previous two: 0 1 1 2 3 5 8 13 21 34 55 89 ... Sciensational.comSubmitted by: Matt - California, United States

Palindrome Number 13431A Palindrome Number is a number that reads the same backwards and forward, e.g. 13431. Sciensational.comSubmitted by: Yusuf - Victoria, Australia

A dollar can be made into small change in 293 ways. Sciensational.com

PiYou can remember the value of Pi (3.1415926) by counting each word's letters in "May I have a large container of coffee?"

Multiply 1 × 8 + 1 = 9 12 × 8 + 2 = 98 123 × 8 + 3 = 987 1234 × 8 + 4 = 9876 12345 × 8 + 5 = 98765 123456 × 8 + 6 = 987654 ... (Multiplication & Succession.) Sciensational.comSubmitted by: Moi, Canada.

142857142857 is a cyclic number, i.e., its digits are rotated around when multiplied by any number from 1 to 6. Like this: 142857 × 1 = 142857 142857 × 5 = 7 14285 142857 × 4 = 57 1428 142857 × 6 = 857 142 142857 × 2 = 2857 14 142857 × 3 = 42857 1 Sciensational.comSubmitted by: Moi, Canada.

1089 multiplied by 9 gives an exact reverse: 9801.

From 0 to 1000, the letter "A" only appears in 1000 ("one thousand"). Sciensational.comSubmitted by: Ramil Argete

Two2 is called the "oddest" Even-Prime number. 2 is a unique Even-Prime because while all Evens are divisible by 2, any number apart from 2 that is divisible by 2, is not a Prime.

1 × 9 + 2 = 11 12 × 9 + 3 = 111 123 × 9 + 4 = 1111 1234 × 9 + 5 = 11111 12345 × 9 + 6 = 111111 123456 × 9 + 7 = 1111111 ... (Multiplication & Succession.) Sciensational.comSubmitted by: Rob

Forty40 when written "forty" is the only number with letters in alphabetical order, while "one" is the only one with letters in reverse order. Sciensational.comSubmitted by: Rob