A071206 -id:A071206 - cp's OEIS frontend

A071204 Numbers which are multiples of their largest digit (decimal notation).

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 15, 20, 22, 24, 25, 30, 33, 35, 36, 40, 44, 45, 48, 50, 55, 60, 66, 70, 77, 80, 88, 90, 99, 100, 101, 102, 104, 105, 110, 111, 112, 115, 120, 122, 123, 124, 125, 126, 128, 132, 135, 140, 144, 145

Offset: 1

Reinhard Zumkeller, May 16 2002

			15 is a term since 15/5 = 3.
16 is not a term because 16/6 = 2.66666666...

David A. Corneth, Table of n, a(n) for n = 1..10000

Cf. A071203, A071205, A071206, a(n) mod A054055(n) = 0.

Select[Range[200], Divisible[#, Sort[IntegerDigits[#]][[-1]]] &] (* Alonso del Arte, Sep 09 2017 *)

isok(n) = (n % vecmax(digits(n))) == 0; \\ Michel Marcus, Sep 11 2017

A071203 Integer part of n divided by its largest digit (decimal notation).

Original entry on oeis.org

1, 1, 1, 1, 1, 1, 1, 1, 1, 10, 11, 6, 4, 3, 3, 2, 2, 2, 2, 10, 10, 11, 7, 6, 5, 4, 3, 3, 3, 10, 10, 10, 11, 8, 7, 6, 5, 4, 4, 10, 10, 10, 10, 11, 9, 7, 6, 6, 5, 10, 10, 10, 10, 10, 11, 9, 8, 7, 6, 10, 10, 10, 10, 10, 10, 11, 9, 8, 7, 10, 10, 10, 10, 10

Offset: 1

Reinhard Zumkeller, May 16 2002

Harvey P. Dale, Table of n, a(n) for n = 1..1000

a(n) = floor(n/A054055(n)), A071204, A071206.

IntegerPart[#/Max[IntegerDigits[#]]]&/@Range[80] (* Harvey P. Dale, Jul 11 2014 *)

A071205 Largest digit of A071204(n).

Original entry on oeis.org

1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 1, 2, 5, 2, 2, 4, 5, 3, 3, 5, 6, 4, 4, 5, 8, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 1, 1, 2, 4, 5, 1, 1, 2, 5, 2, 2, 3, 4, 5, 6, 8, 3, 5, 4, 4, 5, 7, 5, 5, 6, 6, 8, 7, 8, 9, 9, 2, 2, 4, 5, 8, 2, 2, 3, 5, 6, 7, 2, 2, 4, 5, 3, 5, 4, 4, 5, 6, 8, 5, 5

Offset: 1

Reinhard Zumkeller, May 16 2002

			a(25) = A054055(A071204(25)) = A054055(48) = 8.

Cf. A071206, a(n) = A054055(A071204(n)).

cp's OEIS Frontend

A071204 Numbers which are multiples of their largest digit (decimal notation).

Views

Author

Keywords

Examples

Links

Crossrefs

Programs

Mathematica

PARI

A071203 Integer part of n divided by its largest digit (decimal notation).

Views

Author

Keywords

Links

Crossrefs

Programs

Mathematica

A071205 Largest digit of A071204(n).

Views

Author

Keywords

Examples

Crossrefs