100000 (number)

From Freepedia

One hundred thousand (100000) is the natural number following 99999 and preceding 100001. In India, one hundred thousand is called a lakh.

List of numbers - Integers 10000 100000 1000000
Cardinal	One hundred thousand
Ordinal	One hundred thousandth
Factorization	10000 = 25 · 55
Roman numeral	<math>\mathrm{\bar{C}}</math>
Binary	11000011010100000
Hexadecimal	186A0

In scientific notation, it is written as 10⁵.

In astronomy, 100,000 metres, 100 kilometres, or 100 km (62 miles) is the altitude at which the Federation Aeronautique Internationale (FAI) defines spaceflight to begin.

Selected 6-digit numbers (100001 - 999999)

• 100255 - Friedman number
• 100525 - Friedman number
• 107777 - smallest number requiring 16 syllables in English
• 103680 - highly totient number
• 103823 - nice Friedman number
• 105664 - harmonic divisor number
• 111111 - repunit
• 111777 - smallest number requiring 17 syllables in English
• 113634 - Motzkin number
• 117649 = 7^6
• 117800 - harmonic divisor number
• 120284 - Keith number
• 120960 - highly totient number
• 121393 - Fibonacci number
• 127777 - smallest number requiring 18 syllables in English
• 127912 - Wedderburn-Etherington number
• 129106 - Keith number
• 131071 - Mersenne prime
• 131072 = 2^17 (power of two)
• 142857 - Kaprekar number, Harshad number
• 147640 - Keith number
• 148149 - Kaprekar number
• 156146 - Keith number
• 161051 = 11^5
• 161280 - highly totient number
• 167400 - harmonic divisor number
• 173600 - harmonic divisor number
• 174680 - Keith number
• 177147 = 3^11
• 177777 - smallest number requiring 19 syllables in English
• 181440 - highly totient number
• 181819 - Kaprekar number
• 183186 - Keith number
• 187110 - Kaprekar number
• 196418 - Fibonacci number
• 196883 - the dimension of the smallest nontrivial irreducible representation of the Monster group
• 196884 - the coefficient of q in the Fourier series expansion of the j function. The adjacency of 196883 and 196884 was important in suggesting monstrous moonshine.
• 207360 - highly totient number
• 208012 - Catalan number
• 208495 - Kaprekar number
• 222222 - repdigit
• 237510 - harmonic divisor number
• 241920 - highly totient number
• 242060 - harmonic divisor number
• 262144 = 2^18, power of two
• 279936 = 6^7
• 293547 - Wedderburn-Etherington number
• 298320 - Keith number
• 310572 - Motzkin number
• 317811 - Fibonacci number
• 318682 - Kaprekar number
• 329967 - Kaprekar number
• 332640 - harmonic divisor number
• 333333 - repdigit
• 333667 - sexy prime and unique prime
• 333673 - sexy prime
• 333679 - sexy prime
• 351352 - Kaprekar number
• 355419 - Keith number
• 356643 - Kaprekar number
• 360360 - harmonic divisor number
• 362880 = 9!, highly totient number
• 371293 = 13^5
• 389305 - self-descriptive number in base 7
• 390313 - Kaprekar number
• 390625 = 5^8
• 444444 - repdigit
• 461539 - Kaprekar number
• 466830 - Kaprekar number
• 483840 - highly totient number
• 499500 - Kaprekar number
• 500500 - Kaprekar number, sum of first 1000 integers
• 509203 - Riesel prime
• 514229 - Fibonacci prime, Markov prime
• 524287 - Mersenne prime
• 524288 = 2^19, power of two
• 531441 = 3^12
• 533170 - Kaprekar number
• 539400 - harmonic divisor number
• 555555 - repdigit
• 666666 - repdigit
• 676157 - Wedderburn-Etherington number
• 694280 - Keith number
• 695520 - harmonic divisor number
• 725760 - highly totient number
• 726180 - harmonic divisor number
• 742900 - Catalan number
• 753480 - harmonic divisor number
• 777777 - repdigit, smallest number requiring 20 syllables in English
• 823543 = 7^7
• 832040 - Fibonacci number
• 853467 - Motzkin number
• 888888 - repdigit
• 925993 - Keith number
• 950976 - harmonic divisor number
• 967680 - highly totient number
• 999999 - repdigit