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For instance, on the clock of Big Ben (designed in 1852), the hours from 1 to 12 are written as: I, II, III, IV, V, VI, VII, VIII, IX, X, XI, XII The notations IV and IX can be read as "one less than five" (4) and "one less than ten" (9), although there is a tradition favouring the representation of "4" as " IIII " on Roman numeral clocks.
The masculine nominative/accusative forms dŭŏ < Old Latin dŭō ‘two’ is a cognate to Old Welsh dou ‘two’, [16] Greek δύω dýō ‘two’, Sanskrit दुवा duvā ‘two’, Old Church Slavonic dŭva ‘two’, that imply Proto-Indo-European *duu̯o-h 1, a Lindeman variant of monosyllabic *du̯o-h 1, living on in Sanskrit ...
Angka hexops is a species of Southeast Asian spiders in the family Microstigmatidae. It is the only species in the monotypic genus Angka . [ 1 ] It was first described by Robert Raven & Peter J. Schwendinger in 1995, [ 2 ] and has only been found in Thailand .
211 is an odd number.; 211 is a primorial prime, the sum of three consecutive primes (+ +), a Chen prime, a centered decagonal prime, and a self prime. [1]211 is the smallest prime separated by 12 from the nearest primes (199 and 223).
12 (twelve) is the natural number following 11 and preceding 13. Twelve is the 3rd superior highly composite number , [ 1 ] the 3rd colossally abundant number , [ 2 ] the 5th highly composite number , and is divisible by the numbers from 1 to 4 , and 6 , a large number of divisors comparatively.
231 is the 21st triangular number, [1] a doubly triangular number, a hexagonal number, an octahedral number [2] and a centered octahedral number. [3] 231 is palindromic in base 2 (11100111 2). 231 is the number of integer partitions of 16. The Mertens function of 231 returns 0. [4]
111 is the fourth non-trivial nonagonal number, [1] and the seventh perfect totient number. [2]111 is furthermore the ninth number such that its Euler totient of 72 is equal to the totient value of its sum-of-divisors:
Visual proof that 3 3 + 4 3 + 5 3 = 6 3. 216 is the cube of 6, and the sum of three cubes: = = + +. It is the smallest cube that can be represented as a sum of three positive cubes, [1] making it the first nontrivial example for Euler's sum of powers conjecture.