100,000 (one hundred thousand) is the natural number following 99,999 and preceding 100,001. In scientific notation, it is written as 105.
Terms for 100,000
In Bangladesh, India, Pakistan and South Asia, one hundred thousand is called a lakh, and is written as 1,00,000. The Thai, Lao, Khmer and Vietnamese languages also have separate words for this number: , , (all saen), and respectively. The Malagasy word is .
In Cyrillic numerals, it is known as the legion (): or .
Values of 100,000
In astronomy, 100,000 metres, 100 kilometres, or 100 km (62 miles) is the altitude at which the Fédération Aéronautique Internationale (FAI) defines spaceflight to begin.
In the Irish language, () is a popular greeting meaning "a hundred thousand welcomes".
Selected 6-digit numbers (100,001–999,999)
100,001 to 199,999
100,003 = smallest 6-digit prime number
100,128 = smallest triangular number with 6 digits and the 447th triangular number 100,151 = twin prime with 100,153 100,153 = twin prime with 100,151 100,255 = Friedman number 100,489 = 3172, the smallest 6-digit square 101,101 = smallest palindromic Carmichael number 101,723 = smallest prime number whose square is a pandigital number containing each digit from 0 to 9 102,564 = The smallest parasitic number 103,049 = little Schroeder number 103,680 = highly totient number 103,769 = the number of combinatorial types of 5-dimensional parallelohedra 103,823 = 473, the smallest 6-digit cube and nice Friedman number (−1 + 0 + 3×8×2)3 104,480 = number of non-isomorphic set-systems of weight 14. 104,723 = the 9,999th prime number 104,729 = the 10,000th prime number 104,869 = the smallest prime number containing every non-prime digit 104,976 = 184, 3-smooth number 105,071 = number of triangle-free graphs on 11 vertices 105,664 = harmonic divisor number 109,376 = 1-automorphic number 110,880 = highly composite number 111,111 = repunit 111,777 = smallest natural number requiring 17 syllables in American English, 19 in British English 113,634 = Motzkin number for n = 14 114,243/80,782 ≈ √2 114,689 = prime factor of F12 115,975 = Bell number 116,281 = 3412, square number, centered decagonal number, 18-gonal number 117,067 = first vampire prime 117,649 = 76 117,800 = harmonic divisor number 120,032 = number of primitive polynomials of degree 22 over GF(2) 120,284 = Keith number 120,960 = highly totient number 121,393 = Fibonacci number 124,000 = number of Islamic prophets 125,673 = logarithmic number 127,777 = smallest natural number requiring 18 syllables in American English, 20 in British English 127,912 = Wedderburn–Etherington number 128,981 = Starts the first prime gap sequence of 2, 4, 6, 8, 10, 12, 14 129,106 = Keith number 130,321 = 194 131,071 = Mersenne prime 131,072 = 217 131,361 = Leyland number 134,340 = Pluto's minor planet designation 135,137 = Markov number 142,129 = 3772, square number, dodecagonal number 142,857 = Kaprekar number, smallest cyclic number in decimal. 144,000 = number with religious significance 147,640 = Keith number 148,149 = Kaprekar number 152,381 = unique prime in base 20 156,146 = Keith number 160,000 = 204 160,176 = number of reduced trees with 26 nodes 161,051 = 115 161,280 = highly totient number 166,320 = highly composite number 167,400 = harmonic divisor number 167,894 = number of ways to partition { 1,2,3,4,5,6,7,8} and then partition each cell (block) into subcells. 173,600 = harmonic divisor number 174,680 = Keith number 174,763 = Wagstaff prime 176,906 = number of 24-bead necklaces (turning over is allowed) where complements are equivalent 177,147 = 311 177,777 = smallest natural number requiring 19 syllables in American English, 21 in British English 178,478 = Leyland number 181,440 = highly totient number 181,819 = Kaprekar number 182,362 = number of 23-bead binary necklaces with beads of 2 colors where the colors may be swapped but turning over is not allowed 183,186 = Keith number 183,231 = number of partially ordered set with 9 unlabeled elements 187,110 = Kaprekar number 194,481 = 214 195,025 = Pell number, Markov number 196,418 = Fibonacci number, Markov number 196,560 = the kissing number in 24 dimensions 196,883 = the dimension of the smallest nontrivial irreducible representation of the Monster group 196,884 = the coefficient of q in the Fourier series expansion of the j-invariant. The adjacency of 196883 and 196884 was important in suggesting monstrous moonshine. 199,999 = prime number.