The harshad numbers in base 12 are: 1, 2, 3, 4, 5, 6, 7, 8, 9, ᘔ, Ɛ, 10, 1ᘔ, 20, 29, 30, 38, 40, 47, 50, 56, 60, 65, 70, 74, 80, 83, 90, 92, ᘔ0, ᘔ1, Ɛ0, 100, 10ᘔ, 110, 115, 119, 120, 122, 128, 130, 134, 137, 146, 150, 153, 155, 164, 172, 173, 182, 191, 1ᘔ0, 1Ɛ0, 1Ɛᘔ, 200, ...
How can I find my Harshad Number?
A number is said to be the Harshad number if it is divisible by the sum of its digit . For example, if number is 156, then sum of its digit will be 1 + 5 + 6 = 12. Since 156 is divisible by 12. So, 156 is a Harshad number.
Is 15 a Harshad Number?
| b {displaystyle b} Small Harshad numbers A-number | 5 6, 8, 10, 12, 15, 16, 18, 20, 24, 25, 26, 27, 28, 30, 32, 36 A064481 |
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What is Harshad Number in C?
If a number is divisible by the sum of its digits then it will be known as a Harshad Number. For example: The number 156 is divisible by the sum (12) of its digits (1, 5, 6 ). Some Harshad numbers are 8, 54, 120 etc.
What is multiple Harshad Number?
A number is called Harshad if it is divisible by the sum of its digits. For example 102 is divisible by 3. This quotient is not Harshad because 34 is not divisible by 7. 108 is a Multiple Harshad Number because the process ends at 1: 108/9=12; 12/3=4; 4/4=1.
Is 2020 a Harshad number?
2020 has 12 divisors (see below), whose sum is σ = 4284. ... It is a Harshad number since it is a multiple of its sum of digits (4). It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits. 2020 is an undulating number in base 10.
Is 50 a Harshad number?
The harshad numbers in base 12 are: 1, 2, 3, 4, 5, 6, 7, 8, 9, ᘔ, Ɛ, 10, 1ᘔ, 20, 29, 30, 38, 40, 47 , 50, 56, 60, 65, 70, 74, 80, 83, 90, 92, ᘔ0, ᘔ1, Ɛ0, 100, 10ᘔ, 110, 115, 119, 120, 122, 128, 130, 134, 137, 146, 150, 153, 155, 164, 172, 173, 182, 191, 1ᘔ0, 1Ɛ0, 1Ɛᘔ, 200, ...
What is the 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. The discovery of such numbers is lost in prehistory.
What is strong number?
Strong number is a special number whose sum of the factorial of digits is equal to the original number . For Example: 145 is strong number.
What is Krishnamurthy number?
A Krishnamurthy number is a number whose sum of the factorial of digits is equal to the number itself . Given a number N as input. Print “YES” if it’s a Krishnamurthy Number, else Print “NO”.
Is palindrome a number?
A palindromic number (also known as a numeral palindrome or a numeric palindrome) is a number (such as 16461) that remains the same when its digits are reversed . In other words, it has reflectional symmetry across a vertical axis. ... The palindromic primes are 2, 3, 5, 7, 11, 101, 131, 151, ...
What is strong number in C?
A number can be said as a strong number when the sum of the factorial of the individual digits is equal to the number. For example, 145 is a strong number.
Is 5 an Automorphic number?
An automorphic number is a number whose square ends with the number itself. For example, 5 is an automorphic number, 5*5 =25 . The last digit is 5 which same as the given number. It has only a positive single digit number.
What is a sad number?
An unhappy number is a number that is not happy , i.e., a number such that iterating this sum-of-squared-digits map starting with. never reaches the number 1. The first few unhappy numbers are 2, 3, 4, 5, 6, 8, 9, 11, 12, 14, 15, 16, 17, 18, 20, ... (OEIS A031177).
What is Harshad Number in Python?
If a number is divisible by the sum of its digits , then it will be known as a Harshad Number. For example: The number 156 is divisible by the sum (12) of its digits (1, 5, 6 ). Some Harshad numbers are 8, 54, 120, etc.
Which are the Armstrong numbers?
th powers of their digits (a finite sequence) are called Armstrong numbers or plus perfect number and are given by 1, 2, 3, 4, 5, 6, 7, 8, 9, 153, 370, 371, 407, 1634, 8208, 9474, 54748 , ... (OEIS A005188).
