106 (number)

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← 105 106 107 →
Cardinal one hundred six
Ordinal 106th
(one hundred sixth)
Factorization 2 × 53
Divisors 1, 2, 53, 106
Greek numeral ΡϚ´
Roman numeral CVI
Binary 11010102
Ternary 102213
Senary 2546
Octal 1528
Duodecimal 8A12
Hexadecimal 6A16

106 (one hundred [and] six) is the natural number following 105 and preceding 107.

Contents

In mathematics

106 is a centered pentagonal number, [1] a centered heptagonal number, [2] and a regular 19-gonal number. [3] There are 106 mathematical trees with ten vertices.

See also

Related Research Articles

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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.

300 is the natural number following 299 and preceding 301.

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.

It is:

3000 is the natural number following 2999 and preceding 3001. It is the smallest number requiring thirteen letters in English.

4000 is the natural number following 3999 and preceding 4001. It is a decagonal number.

5000 is the natural number following 4999 and preceding 5001. Five thousand is, at the same time, the largest isogrammic numeral, and the smallest number that contains everyone of the five vowels in the English language.

6000 is the natural number following 5999 and preceding 6001.

7000 is the natural number following 6999 and preceding 7001.

8000 is the natural number following 7999 and preceding 8001.

<span class="mw-page-title-main">Centered heptagonal number</span> Centered figurate number that represents a heptagon with a dot in the center

A centered heptagonal number is a centered figurate number that represents a heptagon with a dot in the center and all other dots surrounding the center dot in successive heptagonal layers. The centered heptagonal number for n is given by the formula

181 is the natural number following 180 and preceding 182.

253 is the natural number following 252 and preceding 254.

20,000 is the natural number that comes after 19,999 and before 20,001.

References

  1. ↑ "Sloane's A005891 : Centered pentagonal numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-27.
  2. ↑ "Sloane's A069099 : Centered heptagonal numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-27.
  3. ↑ "Sloane's A051871 : 19-gonal numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-27.
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