following: 0 is a natural number. Every natural number has a successor which is also a natural number. 0 is not the successor of any natural number. If the successor...

number, numeral and digit. It is the natural number following 3 and preceding 5. It is a square number, the smallest semiprime and composite number,...

of the infinite sequence of natural numbers, followed by 2, although by other definitions 1 is the second natural number, following 0. The fundamental...

A number is a mathematical object used to count, measure, and label. The most basic examples are the natural numbers 1, 2, 3, 4, and so forth. Numbers...

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...

(forty-two) is the natural number that follows 41 and precedes 43. Forty-two (42) is the sixth pronic number and the eighth abundant number, with an abundance...

(two) is a number, numeral and digit. It is the natural number following 1 and preceding 3. It is the smallest and only even prime number. Because it...

The number e is a mathematical constant approximately equal to 2.71828 that can be characterized in many ways. It is the base of the natural logarithm...

XX) is the natural number following 19 and preceding 21. A group of twenty units may be referred to as a score. Twenty is a pronic number, as it is the...

(five) is a number, numeral and digit. It is the natural number, and cardinal number, following 4 and preceding 6, and is a prime number. It has garnered...

7 (seven) is the natural number following 6 and preceding 8. It is the only prime number preceding a cube. As an early prime number in the series of positive...

8 (eight) is the natural number following 7 and preceding 9. English eight, from Old English eahta, æhta, Proto-Germanic *ahto is a direct continuation...

natural number following 11 and preceding 13. Twelve is a superior highly composite number, divisible by the numbers 2, 3, 4, and 6. It is the number...

(nineteen) is the natural number following 18 and preceding 20. It is a prime number. 19 {\displaystyle 19} is the eighth prime number, and forms a sexy...

6 (six) is the natural number following 5 and preceding 7. It is a composite number and the smallest perfect number. Six is the smallest positive integer...

50 (fifty) is the natural number following 49 and preceding 51. Fifty is the smallest number that is the sum of two non-zero square numbers in two distinct...

23 (twenty-three) is the natural number following 22 and preceding 24. Twenty-three is the ninth prime number, the smallest odd prime that is not a twin...

natural number following 29 and preceding 31. 30 is an even, composite, pronic number. With 2, 3, and 5 as its prime factors, it is a regular number and...

The atomic number or nuclear charge number (symbol Z) of a chemical element is the charge number of an atomic nucleus. For ordinary nuclei composed of...

the natural number following 105 and preceding 107. 106 is a centered pentagonal number, a centered heptagonal number, and a regular 19-gonal number. There...

3 (three) is a number, numeral and digit. It is the natural number following 2 and preceding 4, and is the smallest odd prime number and the only prime...

11 (eleven) is the natural number following 10 and preceding 12. It is the first repdigit. In English, it is the smallest positive integer whose name has...

666 (six hundred [and] sixty-six) is the natural number following 665 and preceding 667. In Christianity, 666 is referred to in (most manuscripts of) chapter...

17 (seventeen) is the natural number following 16 and preceding 18. It is a prime number. Seventeen is the sum of the first four prime numbers. Seventeen...

the natural number following 142 and preceding 144. 143 is: the sum of seven consecutive primes (11 + 13 + 17 + 19 + 23 + 29 + 31). But this number is...

25 (twenty-five) is the natural number following 24 and preceding 26. It is a square number, being 52 = 5 × 5, and hence the third non-unitary square...

dictionary. 18 (eighteen) is the natural number following 17 and preceding 19. Eighteen is the tenth composite number, its divisors being 1, 2, 3, 6 and...

75 (seventy-five) is the natural number following 74 and preceding 76. 75 is a self number because there is no integer that added up to its own digits...

(seventy) is the natural number following 69 and preceding 71. 70 is: the fourth discrete tri-prime; or also termed Sphenic number, and the first of...

the 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...