Artwork for 30 (number)

Concepts

30 (number)

—

0

—

Concepts

30 (number)

Natural number

legendary · Q42817

Part of square-free integer · 10 cards Source on Wikidata

Related cards · square-free integer

Artwork for 70 (number)

70 (number)

Heegner number

Artwork for 66 (number)

66 (number)

102 (number)

Sphenic number

Giuga number

Related cards · figurate number

1

10

2

Artwork for 20 (number)

20 (number)

Artwork for 12 (number)

12 (number)

Artwork for 13 (number)

13 (number)

Related cards · harshad number

1

10

2

Artwork for 20 (number)

20 (number)

Artwork for 12 (number)

12 (number)

Artwork for 18 (number)

18 (number)

Related categories

square-free integer10 figurate number134 harshad number139 polygonal number153 even number217 composite number341 positive integer462