These kinds of things fascinate me to my literal core. You would think that the number 9 is as good as just another number, but there’s something very different and interesting going on with this number. In this article we will look at number 9 from different perspectives.
It’s a number after all so, let’s look at it
from Mathematical point of view
Mathematically
The number 9 is biggest single digit number. If
any natural number is multiplied by 9 and the digits of the answer are
repeatedly added until it is just one digit, the sum will be 9.
·
2
× 9 = 18 (1 + 8 = 9)
·
121
× 9 = 1089 (1 + 0 + 8 + 9 = 18; 1 + 8 = 9)
·
578329
× 9 = 5204961 (5 + 2 + 0 + 4 + 9 + 6 + 1 = 27; 2 + 7 = 9)
Putting the
digit nine into any number does not change the sum of the digits of that
number.
83: 8+3=11;
1+1=2
893: 8+9+3=20;
2+0=2.
If you
divide a number by the amount of 9s corresponding to its number of digits the
number turns a repeating decimal (E.g. 569/999= 0.569569569……)
There’s
also an arithmetical procedure developed to test out the correctness of calculations
of sums, differences, products, and divisions known as Casting out nines. You can
learn more about it here.
Commercially
Ever
wondered why your new smartphone costs ₹ 19,999 and not an even ₹ 20,000? This is because the number
9 also plays an important role in pricing of the products, this is known as Psychological
Pricing.
There is evidence that consumers tend to perceive just-below prices as being lower than they actually are, tending to round to the next lowest monetary unit. Thus, prices such as ₹19,999 may to some degree be associated with spending ₹ 19,000 rather than ₹ 20,000. This hypothesis suggests that people perceive the difference between 19,999 and 21,000 to be closer to 2,000 than to 1,000 because their judgments are anchored on the leftmost digit.
Cultural And Mythologically
To say the
very least, the Indian Culture and Mythology just loves the number 9.
In Hindu Mythology there are 9 influencers called
Navagraha (नवग्रह)namely Surya (Sun), Chandra (Moon), Mangala (Mars), Buddha (Mercury),
Brhaspati (Jupiter), Shukra (Venus), Shani (Saturn), Rahu, and Ketu
In the Vaisheshika (वैशेषिक) branch of Hindu philosophy (Vedic
systems), there are 9 universal substances or elements: Earth, Water, Air,
Fire, Ether, Time, Space, Soul, and Mind. (last 5 of which are also the names
of Infinity Stones from MCU)
Navaratri is a 9-day festival dedicated to the 9-forms
of Durga (Divine Mother).
Religion And Philosophically
·
The
number 9 is revered in Hinduism and considered a complete, perfected and divine
number
·
Ramadan,
the month of fasting and prayer, is the ninth month of the Islamic calendar.
·
In
Christianity there are nine Fruit of the Holy Spirit which followers are
expected to have: love, joy, peace, patience, kindness, goodness, faithfulness,
gentleness, and self-control.
·
In
Buddhism, Gautama Buddha was believed to have nine virtues, which he was (1)
Accomplished, (2) Perfectly Enlightened, (3) Endowed with knowledge and Conduct
or Practice, (4) Well-gone or Well-spoken, (5) the Knower of worlds, (6) the
Guide Unsurpassed of men to be tamed, (7) the Teacher of gods and men, (8)
Enlightened, and (9) Blessed.
·
Healthy
Person normally takes 21600 breaths in a day which again gives Number 9 after
sum up (2+1+6=9).
· Normal gestation period for the birth is 9 months.
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