natural number following 142,856 and preceding 142,858. It is both a Kaprekar number and a Cyclic number. 142857 is the best-known cyclic number in base...
6 KB (749 words) - 21:28, 17 February 2025
six-digit number 142857, whose first six integer multiples are 142857 × 1 = 142857 142857 × 2 = 285714 142857 × 3 = 428571 142857 × 4 = 571428 142857 × 5 =...
12 KB (1,608 words) - 18:06, 28 June 2025
Repeating decimal (redirect from Recurring number)
0. 142857 ¯ = 142857 10 6 + 142857 10 12 + 142857 10 18 + ⋯ = ∑ n = 1 ∞ 142857 10 6 n ⟹ a 1 − r = 142857 10 6 1 − 1 10 6 = 142857 10 6 − 1 = 142857 999999...
56 KB (7,252 words) - 18:32, 24 June 2025
8 (redirect from The number 8)
8 (eight) is the natural number following 7 and preceding 9. English eight, from Old English eahta, æhta, Proto-Germanic *ahto is a direct continuation...
25 KB (2,408 words) - 08:06, 26 June 2025
Pi (redirect from Ludolph transcendental number)
"Pi Approximation Day", as 22/7 ≈ 3.142857. Some have proposed replacing π by τ = 2π, arguing that τ, as the number of radians in one turn or the ratio...
148 KB (17,240 words) - 12:56, 27 June 2025
Quaternary numeral system (redirect from Quaternary number)
1, 2, and 3 to represent any real number. Conversion from binary is straightforward. Four is the largest number within the subitizing range and one...
24 KB (956 words) - 03:25, 25 June 2025
Transposable integer (redirect from Cyclic permutation of number)
integer n {\displaystyle n} . Examples are: 142857 × 3 = 428571 (shifts cyclically one place left) 142857 × 5 = 714285 (shifts cyclically one place right)...
25 KB (2,886 words) - 23:23, 12 December 2024
Proof that 22/7 exceeds π (redirect from 3.142857)
14159, then it trivially follows that π < 22/7, which is approximately 3.142857. But it takes much less work to show that π < 22/7 by the method used...
14 KB (2,814 words) - 09:36, 14 June 2025
is periodic with period 6: 1 7 = 0.142857 142857 142857 … {\displaystyle {\frac {1}{7}}=0.142857\,142857\,142857\,\ldots } More generally, the sequence...
6 KB (906 words) - 21:48, 12 February 2025
In mathematics, an n-parasitic number (in base 10) is a positive natural number which, when multiplied by n, results in movement of the last digit of its...
11 KB (1,030 words) - 23:51, 12 December 2024
0.999... (category 1 (number))
certain prime numbers. Examples include: 1 7 {\textstyle {\frac {1}{7}}} = 0.142857 and 142 + 857 = 999. 1 73 {\textstyle {\frac {1}{73}}} = 0.01369863 and...
91 KB (11,718 words) - 02:26, 10 July 2025
{\displaystyle {\overline {\rm {AB}}}} line segment from A to B 1⁄7 = 0.142857 repeated 0.1428571428571428571... a + b i ¯ {\displaystyle {\overline {a+bi}}}...
7 KB (803 words) - 03:48, 30 April 2025
Duodecimal (redirect from Dek (number))
its base. In duodecimal, the number twelve is denoted "10", meaning 1 twelve and 0 units; in the decimal system, this number is instead written as "12"...
60 KB (4,363 words) - 22:43, 4 July 2025
Quinary (redirect from Pental number system)
real number. According to this method, five is written as 10, twenty-five is written as 100, and sixty is written as 220. As five is a prime number, only...
12 KB (708 words) - 11:09, 25 October 2024
Octal (redirect from Octal number)
Division, that Number is capable of this down to an Unite". In 1716, King Charles XII of Sweden asked Emanuel Swedenborg to elaborate a number system based...
41 KB (3,460 words) - 22:52, 12 May 2025
Hexadecimal (redirect from Hexadecimal number)
8-bit byte is a 2-digit hex number, with spaces between them, while the 32-bit offset at the start is an 8-digit hex number. 00000000 57 69 6B 69 70 65...
68 KB (5,689 words) - 17:21, 25 May 2025
List of numbers (category Number-related lists)
cubes in two different ways. 8128, the fourth perfect number. 142857, the smallest base 10 cyclic number. 9814072356, the largest perfect power that contains...
58 KB (3,970 words) - 17:41, 10 July 2025
1:1) 28:25 (1.12:1) 9:8 (1.125:1) 113:100 (1.13:1) 57:50 (1.14:1) 8:7 (1.142857:1) 23:20 (1.15:1) 15:13 (1.153846:1) 52:45 (1.15:1) 7:6 (1.16:1) 32:27 (1...
54 KB (7,487 words) - 20:22, 24 June 2025
repeating decimal value: 1 7 = 0. 142857 ¯ = 0.142857142857142857142857... {\displaystyle {1 \over 7}=0.{\overline {142857}}=0.142857142857142857142857.....
20 KB (2,389 words) - 14:22, 23 April 2025
Ternary numeral system (redirect from Ternary number)
1/10, decimal 1/6). The value of a binary number with n bits that are all 1 is 2n − 1. Similarly, for a number N(b, d) with base b and d digits, all of...
19 KB (1,428 words) - 04:54, 28 May 2025
142857 … 2 / 7 = 0.285714 … 3 / 7 = 0.428571 … 4 / 7 = 0.571428 … 5 / 7 = 0.714285 … 6 / 7 = 0.857142 … {\displaystyle {\begin{aligned}1/7&=0.142857\dots...
16 KB (3,006 words) - 05:13, 15 April 2025
seximal) has six as its base. It has been adopted independently by a small number of cultures. Like the decimal base 10, the base is a semiprime, though it...
27 KB (1,785 words) - 23:47, 24 May 2025
Reciprocals of primes (redirect from Unique prime number)
cyclic number with p − 1 digits. Therefore, the base b expansion of 1 / p {\displaystyle 1/p} repeats the digits of the corresponding cyclic number infinitely...
10 KB (750 words) - 10:31, 1 June 2025
efficiency of a wireless telephony link may also be expressed as the maximum number of simultaneous calls over 1 MHz frequency spectrum in erlangs per megahertz...
25 KB (2,140 words) - 13:14, 9 April 2025
Enneagram (geometry) (category 9 (number))
use an irregular enneagram consisting of an equilateral triangle and an irregular hexagram based on 142857. The Baháʼí nine-pointed star A 9/3 enneagram...
5 KB (369 words) - 19:44, 7 April 2025
I20 as eighteen and one, so that the number eighteen is written as J20, and nineteen is written as K20. The number twenty is written as 1020. According...
48 KB (3,365 words) - 07:05, 27 May 2025
Approximations of π (category Wikipedia articles needing page number citations from April 2015)
claimed that the ancient Egyptians used an approximation of π as 22⁄7 = 3.142857 (about 0.04% too high) from as early as the Old Kingdom (c. 2700–2200 BC)...
87 KB (12,075 words) - 21:06, 19 June 2025
Alexander J. (2024-03-14). "Limping to a new Pi Record of 105 Trillion Digits". NumberWorld.org. Retrieved 2024-03-16. Ranous, Jordan (2024-06-28). "StorageReview...
42 KB (1,673 words) - 00:49, 19 June 2025