World!Of Numbers |
WON plate | |
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Repdigits, or numbers with repeated digits For repdigit 22 see WONplate 32 For repdigit 55 see WONplate 81 The repdigit 77 can be written as the sum of three squared consecutives The repdigit 88 can be written as the sum of four consecutive primes The repdigit 222 can be expressed as the sum of just two consecutive primes The repdigit 1111 can be the result of various transformations of the prime 11
In borderprime world 1111 occurs a few time as displacement value
10^{731} + 1111
10^{1512} + 1111 10^{1787} + 1111 10^{2146} + 1111 10^{3987} + 1111 10^{4056} + 1111 10^{5296} + 1111 So far only these 7 positive displacements have been discovered ! The repdigit 8888 can be expressed as the sum of just two consecutive primes The following repdigits are, once converted into hexadecimal base, also palindromic ! The repdigit number 777777 can be expressed as the sum of three consecutive primes Two repdigit numbers of the form (4)_{n} can be expressed as the sum n = 5 44444 71^{2} + 72^{2} + ... + 77^{2} + 78^{2} A010785 Repdigit numbers, or numbers with repeated digits. - N. J. A. Sloane | ||||
A000083 Prime Curios! Prime Puzzle Wikipedia 83 Le Nombre 83 Numberland 83 |
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