Question: How Many Perfect Numbers Are There?

What are the first 10 perfect numbers?

The first few perfect numbers are 6, 28, 496 and 8128 (sequence A000396 in the OEIS)….Any odd perfect number N must satisfy the following conditions:N > 101500.N is not divisible by 105.N is of the form N ≡ 1 (mod 12), N ≡ 117 (mod 468), or N ≡ 81 (mod 324).N is of the form..

Why is 28 the perfect number?

A number is perfect if all of its factors, including 1 but excluding itself, perfectly add up to the number you began with. 6, for example, is perfect, because its factors — 3, 2, and 1 — all sum up to 6. 28 is perfect too: 14, 7, 4, 2, and 1 add up to 28.

Why is 7 a perfect number?

Seven is the number of completeness and perfection (both physical and spiritual). It derives much of its meaning from being tied directly to God’s creation of all things. … The word ‘created’ is used 7 times describing God’s creative work (Genesis 1:1, 21, 27 three times; 2:3; 2:4).

What are pure numbers?

0. A pure number is a kind of a number that has a dimensionless quantity and it does not have physical unit. This term can also be defined as an unreal number, which has the form a+bi, where a is equivalent to 0.

How many perfect numbers are there between 1 and 100?

2 perfect numbersThere are around 51 known perfect numbers. There are only 2 perfect numbers from 1 to 100 which are 6 and 28. The latest perfect number was discovered in 2018 which has 49,724,095 digits.

Is 3 a bad number?

The number 3 can be unlucky as well depending on the situation and use. For example, gifting to friends or to couples seldom contains the number 3 in any form of association. Three is pronounced ‘san’ which is similar to the word that means ‘to part ways’.

Is 3 a powerful number?

The most powerful number in the Bible is number 3 and denotes several significant elements and events in the Holy Book. For example, the Godhead is a trinity featuring God the Father, Son, and Holy Spirit.

Why is 12 the perfect number?

Twelve is a sublime number, a number that has a perfect number of divisors, and the sum of its divisors is also a perfect number. Since there is a subset of 12’s proper divisors that add up to 12 (all of them but with 4 excluded), 12 is a semiperfect number. … Twelve is also the kissing number in three dimensions.

Is 24 a perfect number?

The only even perfect number of the form x3 + 1 is 24. 24 is also the only even perfect number that is a sum of two positive cubes of integers.

What is the largest perfect number?

BLOWING ROCK, NC, December 21, 2018 — The Great Internet Mersenne Prime Search (GIMPS) has discovered the largest known prime number, 282,589,933-1, having 24,862,048 digits. A computer volunteered by Patrick Laroche made the find on December 7, 2018.

Why Is 9 the perfect number?

The number 9 is revered in Hinduism and considered a complete, perfected and divine number because it represents the end of a cycle in the decimal system, which originated from the Indian subcontinent as early as 3000 BC. … Nine is a significant number in Norse Mythology.

What is the weirdest number?

Examples. The smallest weird number is 70. Its proper divisors are 1, 2, 5, 7, 10, 14, and 35; these sum to 74, but no subset of these sums to 70. The number 12, for example, is abundant but not weird, because the proper divisors of 12 are 1, 2, 3, 4, and 6, which sum to 16; but 2 + 4 + 6 = 12.

What does the number 28 mean in biblical numerology?

In Hebrew Gematria, koakh meaning “power”, “energy” is a word that corresponds to the number 28. The number of Hebrew letters in Genesis 1:1, the first verse of the Bible. The number of wheels on a Lockheed C-5 Galaxy. In the code for international direct dial phone calls, +28 is unassigned.

Is 3 an evil number?

Examples. The first evil numbers are: 0, 3, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 24, 27, 29, 30, 33, 34, 36, 39 …

What are the 4 perfect numbers?

A perfect number is defined to be one which is equal to the sum of its aliquot parts. The four perfect numbers 6, 28, 496 and 8128 seem to have been known from ancient times and there is no record of these discoveries.

Why is three the perfect number?

Three is the smallest number we need to create a pattern, the perfect combination of brevity and rhythm. It’s a principle captured neatly in the Latin phrase omne trium perfectum: everything that comes in threes is perfect, or, every set of three is complete. … We can use the rule of three to powerful effect.

Is 25 a perfect number?

Perfect number, a positive integer that is equal to the sum of its proper divisors. The smallest perfect number is 6, which is the sum of 1, 2, and 3. Other perfect numbers are 28, 496, and 8,128.

Why is 6174 a magic number?

6174 is a harshad number, since it is divisible by the sum of its digits: 6174 is a 7-smooth number, i.e. none of its prime factors are greater than 7. 6174 can be written as the sum of the first three degrees of 18: 183 + 182 + 181 = 5832 + 324 + 18 = 6174.

What does 42 mean in the Bible?

There are 42 Stations of the Exodus which are the locations visited by the Israelites following their exodus from Egypt, recorded in Numbers 33, with variations also recorded in the books of Exodus and Deuteronomy. 42 is the number with which God creates the Universe in Kabbalistic tradition.

What is the perfect number between 25 and 30?

28 is the only perfect number between 20 and 30.

What’s the best number?

Because of these two properties, it is the sole Sheldon prime, an homage to Sheldon Cooper, the fictional theoretical physicist on the television show The Big Bang Theory who claimed that 73 is the best number. the smallest prime with a composite sum of digits, in base 5.