Who invented zero?

The first modern equivalent of numeral zero comes from a Hindu astronomer and mathematician Brahmagupta in 628. His symbol to depict the numeral was a dot underneath a number.

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And another question, what is the rarest number?

If we consider palindromic rare numbers, there are infinitely many rare numbers. For example, the numbers in the series 242, 20402, 2004002, 200040002, 20000400002 are palindromic rare numbers. Rare numbers. Title Rare numbers Owner Kausthub (26471) Last modified by Kausthub (26471) Numerical id 4 Author Kausthub (26471) 6 more rows ? What is the 1089 Trick? Write down a three-digit number whose digits are decreasing. Then reverse the digits to create a new number, and subtract this number from the original number. With the resulting number, add it to the reverse of itself. The number you will get is 1089!

One may also ask what is the lucky number for 2020?

If you are waiting for good luck in the year 2020, you can depend on the numbers like 1, 5, 8, 22, 29, 33, and 44 considering the planetary positions above. Astrology suggests that the numbers 7, 10, 18, 21, 24, 36, and 59 will be lucky ones for you during the year 2020 considering the planetary orientation. How can I choose my lucky number? To find your life path number in numerology, which is the most significant of your lucky numbers, start by breaking down your birth month, day, and year into single digits. Then, add the single digits for each part of your birthday together. Next, add all 3 of those numbers together.

Which is the most unluckiest number in the world?

13 The number 13 is considered an unlucky number in some countries. The end of the Mayan calendar's 13th Baktun was superstitiously feared as a harbinger of the apocalyptic 2012 phenomenon. Fear of the number 13 has a specifically recognized phobia, triskaidekaphobia, a word first recorded in 1911. What is the number of I Love You? 143 What does 143 mean? 143 is code for I love you, especially used on pagers back in the 1990s.

What number appears most in nature?

The golden ratio is about 1.618, and represented by the Greek letter phi. The "golden ratio" is a unique mathematical relationship.