The Number 51: Properties and Meanings

Prime Factors of 51= 3 x 17.

51 can be Partitioned 26 times with each term no larger than 2.

51 can be Partitioned 243 times with each term no larger than 3.

51 can be Partitioned 1215 times with each term no larger than 4.

51 is a Stella Octangula Number.

51 is a Centered Pentagonal Number.

51 is a Pentagonal Number.

51 is an 18-gonal Number.

51 is a Motzkin Number.

Sum of the 6th through 11th numbers = 6 +7 + 8 + 9 + 10 + 11 = 51

The Chemical Element Antimony has an atomic number of 51. It is a brittle, semi-metallic element. It can be used in alloys, pigments and medicine.

Film: Formula 51.

The Year 51 AD

In the year 51 AD the conquest of Wales was completed by the Romans.