Interesting Number # 31 is 99
This interesting number is 99.
The factors of 99 are 1, 3, 9, 11, 33, 99.
99 in Roman numerals is expressed as XCIX
The prime factors of 99 are 3 x 3 x 11
99 is 1100011 in binary.
99 is the sum of the cubes of three consecutive whole numbers 23 + 33 + 43
99 is a palindromic number.
99 is the atomic number of Einsteinium. It was discovered in 1952 in the debris of the first H-bomb explosion and named after Albert Einstein.
The earliest known reference to a 99-flake ice-cream with a chocolate flake was in 1935. One idea links it to a shop in Scotland at 99 Portobello High St which added chocolate flakes to its ice-creams.
“If you wish to live to the age of 99, please walk. 100 steps after each meal,” (Chinese proverb).
(See also : Whats is Equations?)
Interesting Number # 32 is 14
This interesting number is 14.
The factors of 14 are 1, 2, 7, 14.
14 in Roman numerals is expressed as XIV
The prime factors of 14 are 2 x 7
14 is 1110 in binary.
14 is the sum of the first three square numbers making it a square pyramidal number.
There are 14 pounds in a stone. (British weight measurements before metrics)
The atomic number of Silicon is 14.
14 is the number of days in a fortnight.
The Top 14 is the highest-level rugby competition in France.
14 – the shirt number worn by Johan Cruyff, the Dutch footballer. No longer used by his former club Ajax.
There are 14 lines in a sonnet.
February 14 – St Valentine’s Day
Interesting Number # 33 is 95
This interesting number is 95.
The factors of 95 are 1, 5, 19, 95.
95 in Roman numerals is expressed as XCV
The prime factors of 95 are 5 x 19
95 is 1011111 in binary.
In statistics a 95 % confidence interval is considered satisfactory for most purposes.
Hit 95 FM- A popular Indian radio station.
The atomic number of Americium is 95.
United States Interstate 95, a freeway that runs from Florida to Maine.
Windows 95 A popular computer operating system.
95 – a good mark and a good age!
Interesting Number # 34 is 25
This interesting number is 25.
The factors of 25 are 1, 5, 25.
25 in Roman numerals is expressed as XXV
The prime factors of 25 are 5 x 5 or 52
25 is 11001 in binary.
25 is the smallest square that is also the sum of two non-zero squares (25 = 32 + 42)
25 is a square number 52 = 25
25 years of marriage is marked by a SILVER wedding anniversary.
The atomic number of Manganese is 25.
The M 25 is a motorway around London.
United States Interstate 25, a freeway that runs from New Mexico to Wyoming.
Interesting Number # 35 is 57
This interesting number is 57.
The factors of 57 are 1, 3, 19 and 57.
57 in Roman numerals is expressed as LVII.
The prime factors of 57 are 3 x 19.
57 is 111001 in binary.
57 is the number of varieties of foods claimed to be produced by the H.J. Heinz Company.
The code of international dialling calls to Columbia is 57
The atomic number of Lanthanum is 57.
Interstate 57 is a freeway in the USA that runs from Missouri to Chicago.
Interesting Number # 36 is 26
This interesting number is 26.
The factors of 26 are 1, 2, 13, and 26.
26 in Roman numerals is expressed as XXVI
The prime factors of 26 are 2 x 13.
26 is 11010 in binary.
The atomic number of Iron is 26.
A rhombicuboctahedron has 26 faces.
When 27 small cubes are made into a larger 3x3x3 cube, 26 of them can be seen on the outside of the larger cube.
There are 26 miles, rounded, in a marathon running race.
26 is the "joke throw" in the game of darts, where a player throws 20, 5 and 1 when aiming for 20 (or treble 20). In professional darts, throwing 26 usually results in sneers or laughter from the audience.
26 is the number of bones in the normal human foot and ankle.
26 is the number of letters in the English alphabet.
There are 26 red cards and 26 black cards in a normal deck of cards.
26 is the only number that is 1 more than a square number (25 = 52) AND 1 less than a cube (27 = 33)
Interesting Number # 37 is 19
This interesting number is 19.
19 is the 8th prime number.
19 in Roman numerals is expressed as XIX.
19 is 10011 in binary.
19 is a centred triangle number.
The atomic number of Potassium is 19.
The game of GO, is usually played on a grid of 19 X 19.
19 (or 18) is often the minimum age for buying alcohol and tobacco in many places around the world.
Interesting Number # 38 is 77
This interesting number is 77.
77 is the sum of the first eight prime numbers.
i.e. 2 + 3 + 5 + 7 + 11 + 13 + 17 + 19
77 is the sum of the squares of three consecutive whole numbers.
i.e. 42 + 52 + 62
The prime factors of 77 are 7 and 11.
77 in Roman numerals is expressed as LXXVII.
77 is 1001101 in binary.
77 Sunset strip was a popular TV programme in the 1950’s-1960’s
The atomic number of iridium is 77.
77 is the boiling point of nitrogen (in degrees Kelvin), that is equal to –195.79oC.
77 is the only whole number under 100 which when spoken has 5 syllables.
Interesting Number # 39 is 33
This interesting number is 33.
33 is the smallest sum of two different positive numbers each of which raised to the fifth power: 15 + 25
33 is the largest positive integer that cannot be expressed as the sum of different triangle numbers.
The prime factors of 33 are 3 and 11.
In Roman Numerals the number 33 can be written as XXXIII.
33 is 100001 in binary.
The atomic number of arsenic is 33.
A normal human spine has 33 vertebrae when the bones that form the coccyx are counted individually.
In the Bible, Jesus’s age when he was crucified was 33 (Hence 33AD)
Islamic prayer beads are generally arranged in sets of 33.
In reference to vinyl gramophone records, 33 represents a type of record (known as an LP or long-playing record) with a speed of 33 1/3 revolutions per minute.
In the English Premier league, the former Chelsea goal-keeper Petr Cech selected the squad number 33 on signing for Arsenal FC in June 2015. He cited that it represented his age 33, his 333 Premier League games and that he wanted to be the spine (with 33 vertebrae) of the team.
Interesting Number # 40 is 8
This interesting number is 8.
8 is a composite number. It is the first number that is neither prime nor semi-prime.
8 is a power of 2 i.e. 23.
A number is divisible by 8 if the number formed by the last three digits are divisible by 8.
The number 8 is an even number.
The factors of 8 are 1, 2, 4 and 8 – so 8 is divisible by 4 numbers.
8 is a Fibonacci number (3 + 5).
A polygon with 8 sides is called an octagon.
A polyhedron with 8 faces is called an octahedron. Each face is an equilateral triangle.
A cube has 8 vertices.
A octahedron has faces as 6 congruent squares and 8 congruent equilateral triangles.
In Roman Numerals the number 8 can be written as VIII.
8 is the atomic number of oxygen.
All spiders have 8 legs.
A byte is 8 bits.
There are 8 furlongs in a mile.
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