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|---|---|---|---|---|
| Cardinal | five hundred eleven | |||
| Ordinal | 511th (five hundred eleventh) | |||
| Factorization | 7 × 73 | |||
| Greek numeral | ΦΙΑ´ | |||
| Roman numeral | DXI,dxi | |||
| Binary | 1111111112 | |||
| Ternary | 2002213 | |||
| Senary | 22116 | |||
| Octal | 7778 | |||
| Duodecimal | 36712 | |||
| Hexadecimal | 1FF16 | |||
511 is thenatural number following510 and preceding512.
It is aMersenne number, being one less than a power of 2:.[1]As a result, 511 is a palindromic number and arepdigit in bases 2 (1111111112). It is also palindromic and a repdigit in base 8 (7778).
It is a generalizedheptagonal number (sequenceA085787 in theOEIS), since when.
It is aHarshad number in bases 3, 5, 7, 10, 13 and 15.
The octal representation of 511 (7778) is commonly used by Unix commands to specify a custom record separator in order to "slurp" input as a whole, rather than line-by-line (i.e. separated atnewline characters).[2]
