• harshad number (or Niven number) in a given number base is an integer that is divisible by the sum of its digits when written in that base. Harshad numbers...
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  • 181), the perimeter of a Pythagorean triangle (75 + 308 + 317) and a Harshad number. Nearly all of the palindromic integers between 700 and 800 (i.e. nearly...
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  • number following 799 and preceding 801. It is the sum of four consecutive primes (193 + 197 + 199 + 211). It is a Harshad number, an Achilles number and...
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  • natural number following 599 and preceding 601. Six hundred is a composite number, an abundant number, a pronic number and a Harshad number. In the United...
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  • positive integers. In base 10 it is a Harshad number. It is also the first number to be the square of a sphenic number. 900 is also: A telephone area code...
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  • hundred) is the natural number following 499 and preceding 501. 500 = 22 × 53. It is an Achilles number and an Harshad number, meaning it is divisible...
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  • 400 is divisible by the sum of its own base 10 digits, making it a Harshad number. Four hundred is also .400 (2 hits out of 5 at-bats) is a numerically...
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  • Thumbnail for Harshad Mehta
    Harshad Shantilal Mehta (29 July 1954 – 31 December 2001) was an Indian stockbroker and a convicted fraudster. Mehta's involvement in the 1992 Indian...
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  • sphenic number. It is also: A semiperfect number, since adding some subsets of its divisors (e.g., 5, 10 and 15) equals 30. A primorial. A Harshad number in...
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  • D. R. Kaprekar (category Indian number theorists)
    who described several classes of natural numbers including the Kaprekar, harshad and self numbers and discovered the Kaprekar's constant, named after him...
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  • primes is (149, 151), with 151 the thirty-sixth prime number. 666 is a Smith number and Harshad number in base ten. The 27th indexed unique prime in decimal...
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  • Harshad is a given name. Notable people with the given name include: Harshad Arora (born 1987), Indian television actor Harshad Chopda (born 1983), Indian...
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  • [and] eighty-six) is the natural number following 785 and preceding 787. 786 is: a sphenic number. a harshad number in bases 4, 5, 7, 14 and 16. the aliquot...
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  • be the 7th highly composite number. It is the sum of the fourth pair of twin-primes (17 + 19), and the 18th Harshad number in decimal, as it is divisible...
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  • because it is divisible by the sum of its digits, it is a Harshad number. It is also a Harshad number in binary, base 11, base 13 and hexadecimal. It is the...
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  • 10,000 (redirect from 10,000 (number))
    = Harshad number in bases 2, 3, 4, 6, 7, 8, 9, 10, 11, 15 and 16. 10501 = palindromic prime in bases 10 (1050110) and 58 (37358). 10512 = Harshad number...
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  • of its base-ten digits, which makes it the thirty-second Harshad number. 90 is the only number to have an aliquot sum of 144 = 122. Only three numbers...
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  • 6 (redirect from Number 6)
    four all-Harshad numbers (1, 2, 4, and 6), where it represents the sum between the first prime and composite, 2 and 4. 6 is a pronic number and the only...
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  • Because it is divisible by the sum of its digits in decimal, it is a Harshad number. A number system with base 60 is called sexagesimal (the original meaning...
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  • prime factorization is 3 3 × 5 {\displaystyle 3^{3}\times 5} , and a Harshad number in decimal. Using its own digits, 135 in base-10 can be expressed in...
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  • 3 (redirect from Number 3)
    the third Harshad number in base 10, and the second factorial prime, as it is equal to 2! + 1. 3 is the second and only prime triangular number, and Gauss...
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  • a Størmer number. In decimal, 45 is a Kaprekar number and a Harshad number. Forty-five is a little Schroeder number; the next such number is 197, which...
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  • numbers of Euler Fortunate number Happy number Harshad number Josephus problem Gambling Lottery Keno Weisstein, Eric W. "Lucky Number". mathworld.wolfram.com...
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  • 150 is a Harshad number and an abundant number. 150 degrees is the measure of the internal angle of a regular dodecagon. The last numbered Psalm in the...
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  • 100 (redirect from Number 100)
    a full amount. 100 is a Harshad number in decimal, and also in base-four, a base in-which it is also a self-descriptive number. 100 is the sum of the first...
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  • open meandric number. the ninth member of the Mian-Chowla sequence. a palindromic number in bases 8 (1218) and 26 (3326). a Harshad number in bases 2, 3...
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  • fourteen) is the natural number following 113 and preceding 115. 114 is an abundant number, a sphenic number and a Harshad number. It is the sum of the first...
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  • base 10, it is furthermore a strobogrammatic number, as well as a Harshad number. In base 18, the number 111 is 73 (= 34310) which is the only base where...
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  • short scale. A base-10 Harshad number because 999 ( 9 + 9 + 9 ) = 37 {\displaystyle {\frac {999}{(9+9+9)}}=37} , a whole number In some parts of the world...
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  • 7 (redirect from Number 7)
    Newman–Shanks–Williams prime, a Woodall prime, a factorial prime, a Harshad number, a lucky prime, a happy number (happy prime), a safe prime (the only Mersenne safe...
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