Is 145 a happy number?
, 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). 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.
What is a happy prime number?
According to the Tenth Doctor, a happy prime was any number which was both happy and prime. He went on to describe a happy number: Any number that reduces to 1 when you take the sum of the square of its digits and continue iterating it until it yields 1 is a happy number; any number that doesn’t, isn’t.
What is Duck number?
A Duck number is a positive number which has zeroes present in it, For example 3210, 8050896, 70709 are all Duck numbers. For example, numbers like 035 or 0012 are not considered as Duck Numbers. A number like 01203 is considered as Duck because there is a non-leading 0 present in it.
What is a sunny number?
A number is called a sunny number if the number next to the given number is a perfect square. In other words, a number N will be a sunny number if N+1 is a perfect square.
Is 7 a weird number?
Weird numbers are natural numbers that are abundant but not semiperfect. For example, 70 is the lowest weird number, because its set of proper divisors {1,2,5,7,10,14,35} sum to 74, but no subset of its set of proper divisors sum to the number 70, and 70 is the smallest number to meet such conditions.
What’s the best number to call for a prank?
Several companies have funny 1800 numbers to prank call, for example: 1-800-G0-FEDEX, for FedEx customer support So, what do you really need? Pick your dose of laughter from a list of funny phone numbers to call. In this article, you will get to know ten phone numbers to prank call.
What’s the best number to call for rejection?
1. Rejection Hotline: 605-475-6968 Do you have somebody dreadful requesting your number again and again? Here is a number that may assist with sorting them out. Save it for an unpleasant evening, ladies and gents; it might come in handy. 2. It Could Always Suck More: 605-475-6964 This is arguably among the best hotlines to call when bored.
What are some funny phone numbers to call?
Several companies have funny 1800 numbers to prank call, for example: 1 1-800-GOT-JUNK, a junk removal company 2 1-800-G0-FEDEX, for FedEx customer support More
Are there fake phone numbers to give out to creeps?
Back in 2018, Twitter user @tricookingqueen went viral with a tweet filled with fake phone numbers to hand out to creeps. A great idea, but unfortunately, most of the numbers in the tweet are now defunct, including the hilarious “I am Groot” hotline.