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|---|---|---|---|---|
| Cardinal | two hundred thirteen | |||
| Ordinal | 213th (two hundred thirteenth) | |||
| Factorization | 3 × 71 | |||
| Divisors | 1, 3, 71, 213 | |||
| Greek numeral | ΣΙΓ´ | |||
| Roman numeral | CCXIII, ccxiii | |||
| Binary | 110101012 | |||
| Ternary | 212203 | |||
| Senary | 5536 | |||
| Octal | 3258 | |||
| Duodecimal | 15912 | |||
| Hexadecimal | D516 | |||
213 (two hundred [and] thirteen) is the number following 212 and preceding 214.
213 and the other permutations of its digits are the only three-digit number whose digit sums and digit products are equal. [1] It is a member of the quickly-growing Levine sequence, constructed from a triangle of numbers in which each row counts the copies of each value in the row below it. [2] [3]
As the product of the two distinct prime numbers 3 and 71, it is a semiprime, the first of a triple of three consecutive semiprimes 213, 214, and 215. [4] Its square, 2132 = 45369, is one of only 15 known squares that can be represented as a sum of distinct factorials. [5]
15 (fifteen) is the natural number following 14 and preceding 16.
21 (twenty-one) is the natural number following 20 and preceding 22.
33 (thirty-three) is the natural number following 32 and preceding 34.
29 (twenty-nine) is the natural number following 28 and preceding 30. It is a prime number.
38 (thirty-eight) is the natural number following 37 and preceding 39.
85 (eighty-five) is the natural number following 84 and preceding 86.
86 (eighty-six) is the natural number following 85 and preceding 87.
87 (eighty-seven) is the natural number following 86 and preceding 88.
73 (seventy-three) is the natural number following 72 and preceding 74. In English, it is the smallest natural number with twelve letters in its spelled out name.
34 (thirty-four) is the natural number following 33 and preceding 35.
58 (fifty-eight) is the natural number following 57 and preceding 59.
119 is the natural number following 118 and preceding 120.
1000 or one thousand is the natural number following 999 and preceding 1001. In most English-speaking countries, it can be written with or without a comma or sometimes a period separating the thousands digit: 1,000.
700 is the natural number following 699 and preceding 701.
800 is the natural number following 799 and preceding 801.
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.
181 is the natural number following 180 and preceding 182.
177 is the natural number following 176 and preceding 178.
1728 is the natural number following 1727 and preceding 1729. It is a dozen gross, or one great gross. It is also the number of cubic inches in a cubic foot.
30,000 is the natural number that comes after 29,999 and before 30,001.
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