Saturday, February 27, 2016

Mathematically 95

Ninety Five (95)

1. It is the sum of 7 consecutive prime starting from 5.
95 = 5 + 7 + 11 + 13 + 17 + 19 + 23

2. It can be expressed as the sum of squares of 4 numbers distinctly.
95 = 1^2 + 2^2 + 3^2 + 9^2

3. It is a hexagonal pyramidal number.

4. It is a Thabit number. A number that can be expresses as 3 x 2n – 1 for n > 0 is known as Thabit number. It is named after Iraqi mathematician of 9th century Thabit ibn Qurra. The first ten Thabit numbers are- 2, 5, 11, 23, 47, 95, 191, 383, 767 and 1535.

5. The number of planar partition of 10 is 95.

6. The atomic number of Americium is 95.

Dr Rajesh Kumar Thakur
rkthakur1974@gmail.com

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