78 (seventy-eight) is the natural number following 77 and preceding 79.
45 (forty-five) is the natural number following 44 and preceding 46.
90 (ninety) is the natural number following 89 and preceding 91.
27 is the natural number following 26 and preceding 28.
84 (eighty-four) is the natural number following 83 and preceding 85. It is seven dozens.
36 (thirty-six) is the natural number following 35 and preceding 37.
48 (forty-eight) is the natural number following 47 and preceding 49. It is one third of a gross, or four dozens.
66 (sixty-six) is the natural number following 65 and preceding 67.
100 or one hundred is the natural number following 99 and preceding 101.
300 is the natural number following 299 and preceding 301.
400 is the natural number following 399 and preceding 401.
500 is the natural number following 499 and preceding 501.
700 is the natural number following 699 and preceding 701.
600 is the natural number following 599 and preceding 601.
800 is the natural number following 799 and preceding 801.
900 is the natural number following 899 and preceding 901. It is the square of 30 and the sum of Euler's totient function for the first 54 positive integers. In base 10, it is a Harshad number. It is also the first number to be the square of a sphenic number.
1,000,000, or one thousand thousand, is the natural number following 999,999 and preceding 1,000,001. The word is derived from the early Italian millione, from mille, "thousand", plus the augmentative suffix -one.
100,000,000 is the natural number following 99,999,999 and preceding 100,000,001.
240 is the natural number following 239 and preceding 241.
40,000 is the natural number that comes after 39,999 and before 40,001. It is the square of 200.
