In mathematics, a pandigital number is an integer that in a given base has among its significant digits each digit used in the base at least once. For...

373, and 733. Also the number of edges in the join of two cycle graphs, both of order 37 1444 = 382, smallest pandigital number in Roman numerals 1445...

Investigations. 694 = 2 × 347, centered triangular number, nontotient, smallest pandigital number in base 5. 695 = 5 × 139, 695!! + 2 is prime. 696 =...

superior highly composite number 380,204,032 = 525 381,654,729 = the only polydivisible number that is also a zeroless pandigital number 387,420,489 = 196832...

789 : smallest pandigital number in decimal. 1,026,753,849 = 320432, the smallest pandigital square in base 10. 1,069,863,695 = number of square (0,1)-matrices...

nonagonal number, centered octagonal number 8287 – super-prime 8321 – super-Poulet number 8326 – decagonal number 8345 - smallest pandigital number in base...

each digit of the Arabic numerals) may represent: An example of a pandigital number A moment in Unix time celebrated in the year 2009 Numeral system,...

A prime number (or a prime) is a natural number greater than 1 that is not a product of two smaller natural numbers. A natural number greater than 1 that...

= number of trees with 21 unlabeled nodes 2,162,160 = 41st highly composite number, 2079th triangular number 2,177,399 = smallest pandigital number in...

square is a pandigital number containing each digit from 0 to 9 102,564 = The smallest parasitic number 103,049 = Schröder–Hipparchus number 103,680 = highly...

month, the number of pairs of rabbits is equal to the number of mature pairs (that is, the number of pairs in month n – 2) plus the number of pairs alive...

number in the same way, the result is 3816547290. This is a pandigital polydivisible number. De, Moloy, MATH'S BELIEVE IT OR NOT Parker, Matt (2014), "Can...

A composite number is a positive integer that can be formed by multiplying two smaller positive integers. Accordingly it is a positive integer that has...

In number theory, a perfect number is a positive integer that is equal to the sum of its positive proper divisors, that is, divisors excluding the number...

samples. Panalphabetic window Pangrammatic window Pangrammatic lipogram Pandigital number, the same idea for integers in a given base Heterogram - word, phrase...

mathematics, a Mersenne prime is a prime number that is one less than a power of two. That is, it is a prime number of the form Mn = 2n − 1 for some integer...

triangular number or triangle number counts objects arranged in an equilateral triangle. Triangular numbers are a type of figurate number, other examples...

In mathematics, an automorphic number (sometimes referred to as a circular number) is a natural number in a given number base b {\displaystyle b} whose...

In mathematics, a square number or perfect square is an integer that is the square of an integer; in other words, it is the product of some integer with...

In number theory, a Carmichael number is a composite number ⁠ n {\displaystyle n} ⁠ which in modular arithmetic satisfies the congruence relation: b n...

In number theory, a happy number is a number which eventually reaches 1 when the number and when applicable, the sum of the square of each of its digits...

In mathematics, a 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...

highly composite number is a positive integer that has more divisors than all smaller positive integers. If d(n) denotes the number of divisors of a positive...

they were previously discovered in the 1730s by Minggatu. The n-th Catalan number can be expressed directly in terms of the central binomial coefficients...

In number theory, a congruent number is a positive integer that is the area of a right triangle with three rational number sides. A more general definition...

In number theory, a semiperfect number or pseudoperfect number is a natural number n that is equal to the sum of all or some of its proper divisors. A...

A pronic number is a number that is the product of two consecutive integers, that is, a number of the form n ( n + 1 ) {\displaystyle n(n+1)} . The study...

A tetrahedral number, or triangular pyramidal number, is a figurate number that represents a pyramid with a triangular base and three sides, called a tetrahedron...

perfect number (also called multiperfect number or pluperfect number) is a generalization of a perfect number. For a given natural number k, a number n is...

329-gonal, 787-gonal and 3928-gonal number 11826 = smallest number whose square is pandigital without zeros 11953 = palindromic prime in bases 7 (465647)...