The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A201056 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A201056

Composite numbers whose product of digits is 8.
(history; published version)

#7 by Russ Cox at Fri Mar 30 19:00:28 EDT 2012

AUTHOR

_Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), _, Nov 26 2011

Discussion

Fri Mar 30

19:00

OEIS Server: https://oeis.org/edit/global/299

#6 by Charles R Greathouse IV at Fri Jan 13 10:06:29 EST 2012

STATUS

editing

approved

#5 by Charles R Greathouse IV at Fri Jan 13 10:06:26 EST 2012

NAME

Composite numbers whose product of digits is 8.

COMMENTS

Complement of A107694 with respect to A199989. Subsequence of A201023 (composite numbers whose multiplicative digital root is 8).

EXAMPLE

Number 124 is in sequence because 1*2*4=8.

CROSSREFS

Cf. A107694 (primes whose product of digits is 8), A199989 (numbers whose product of digits is 8).

KEYWORD

nonn,base

STATUS

approved

editing

#4 by N. J. A. Sloane at Sat Nov 26 19:35:15 EST 2011

STATUS

proposed

approved

#3 by Jaroslav Krizek at Sat Nov 26 15:58:15 EST 2011

STATUS

editing

proposed

#2 by Jaroslav Krizek at Sat Nov 26 15:58:09 EST 2011

NAME

allocated for Jaroslav Krizek Composite numbers whose product of digits is 8.

DATA

8, 18, 24, 42, 81, 118, 124, 142, 214, 222, 412, 1118, 1124, 1142, 1214, 1222, 1241, 1412, 1421, 2114, 2122, 2212, 4112, 4121, 11118, 11124, 11142, 11181, 11214, 11222, 11241, 11412, 11421, 11811, 12114, 12122, 12141, 12212, 12221, 12411, 14112, 14121, 14211

OFFSET

1,1

COMMENTS

Complement of A107694 with respect to A199989. Subsequence of A201023 (composite numbers whose multiplicative digital root is 8).

EXAMPLE

Number 124 is in sequence because 1*2*4=8.

CROSSREFS

Cf. A107694 (primes whose product of digits is 8), A199989 (numbers whose product of digits is 8).

KEYWORD

allocated

nonn

AUTHOR

Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), Nov 26 2011

STATUS

approved

editing

#1 by Jaroslav Krizek at Sat Nov 26 15:49:51 EST 2011

NAME

allocated for Jaroslav Krizek

KEYWORD

allocated

STATUS

approved