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What is the happiest number?

The first few happy numbers are 1, 7, 10, 13, 19, 23, 28, 31, 32, 44, 49, 68, 70, 79, 82, 86, 91, 94, 97, 100, ... (OEIS A007770). These are also the numbers whose 2-recurring digital invariant sequences have period 1.

Which zodiac is bossy?
Which zodiac is bossy?

Both fire signs Aries and Sagittarius are on this list of bossy zodiac signs. So it is only natural we include Leo in the club too. But Leos are a...

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What is the cheapest side hustle?
What is the cheapest side hustle?

15 Inexpensive Side Hustle Ideas Selling an Online Course. ... Narrating Audiobooks. ... Tutoring. ... Selling Handmade Items on Etsy. ... Building...

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Awaken your dormant DNA ability to attract wealth effortlessly
Awaken your dormant DNA ability to attract wealth effortlessly

The simple yet scientifically proven Wealth DNA method laid out in the report allows you to effortlessly start attracting the wealth and abundance you deserve.

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Let the sum of the squares of the digits of a positive integer be represented by . In a similar way, let the sum of the squares of the digits of be represented by , and so on. Iterating this sum-of-squared-digits map always eventually reaches one of the 10 numbers 0, 1, 4, 16, 20, 37, 42, 58, 89, or 145 (OEIS A039943; Porges 1945). If for some , then the original integer is said to be happy. For example, starting with 7 gives the sequence 7, 49, 97, 130, 10, 1, so 7 is a happy number. The first few happy numbers are 1, 7, 10, 13, 19, 23, 28, 31, 32, 44, 49, 68, 70, 79, 82, 86, 91, 94, 97, 100, ... (OEIS A007770). These are also the numbers whose 2-recurring digital invariant sequences have period 1. The numbers of iterations required for these to reach 1 are 0, 5, 1, 2, 4, 3, 3, 2, 3, 4, 4, 2, 5, ... (OEIS A090425). The numbers of happy numbers less than or equal to 1, , , ... are given by 1, 3, 20, 143, 1442, 14377, 143071, ... (OEIS A068571). The first few consecutive happy numbers have , 129, 192, 262, 301, 319, 367, 391, ... (OEIS A035502). Similarly, the first few happy triplets start with 1880, 4780, 4870, 7480, 7839, ... (OEIS A072494). The first few happy primes are 7, 13, 19, 23, 31, 79, 97, 103, 109, 139, ... (OEIS A035497). Once it is known whether a number is happy (or not), then any number in the sequence , , , ... will also be happy (or not). A number that is not happy is called unhappy. Unhappy numbers have eventually periodic sequences of which never reach 1. Any permutation of the digits of an unhappy or happy number must also be unhappy or happy. This follows from the fact that addition is commutative.

What is the lonely zodiac sign?
What is the lonely zodiac sign?

Pisces. Celebrity astrologer and horoscope writer Kyle Thomas calls this water sign "the most sensitive zodiac sign of all because they are ruled...

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Do dryer sheets keep gnats away?
Do dryer sheets keep gnats away?

Dryer sheets can also be used to protect houseplants from annoying pests. Since they have been proven to repel fungus gnats, placing several dryer...

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Awaken your dormant DNA ability to attract wealth effortlessly
Awaken your dormant DNA ability to attract wealth effortlessly

The simple yet scientifically proven Wealth DNA method laid out in the report allows you to effortlessly start attracting the wealth and abundance you deserve.

Learn More »

What color is humble?
What color is humble?

Gray. Gray, somewhere between white (good) and black (evil), is a blasé color. It can symbolize elegance, humility, respect, reverence, stability,...

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What zodiac signs are good artists?
What zodiac signs are good artists?

The Most Artistic Zodiac Sign, According to Astrologers Pisces. Shutterstock. Virgo. Virgos seem quite serious and analytical, but they love...

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How many pounds is an omer?
How many pounds is an omer?

In traditional Jewish standards of measurement, the omer was equivalent to the volume of 43.2 chicken's eggs, or what is also known as one-tenth of...

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Awaken your dormant DNA ability to attract wealth effortlessly
Awaken your dormant DNA ability to attract wealth effortlessly

The simple yet scientifically proven Wealth DNA method laid out in the report allows you to effortlessly start attracting the wealth and abundance you deserve.

Learn More »
What is the root cause of overthinking?
What is the root cause of overthinking?

The main factors that can lead to overthinking are stress and anxiety, which can be common in the times we're in, says Syslo. So, considering the...

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