Tetrahedral / triangular pyramidal number calculator.

Non-Negative Number (n) =
 
Tetrahedral Number (Tn) =

Ang isang triangular pyramidal number, o tetrahedral number ay kumakatawan sa isang pyramid na may tatsulok na base at tatlong panig, na tinatawag na tetrahedron.

Triangular Pyramidal Number Formula.

Tetrahedral number (t n ) = (n × (n + 1) × (n + 2)) / 6, kung saan, n ay di-negatibong numeral

1, 4, 10, 20, 35, 56, 84, 120, 165, 220 ang tatsulok na mga numero ng pyramidal.

Tetrahedral / triangular pyramidal number calculator.