Fermat numbers
type: Concept
preferred label: اعداد فرما @fa
related: pentagon

pentagonal numbers
type: Concept
preferred label: اعداد مخمسی @fa
related: pentagon

pentagon
type: Concept
broader: polygon
preferred label: پنج‌ضلعی @fa
related: pentagonal pyramid
related: pentagonal numbers
related: Fermat numbers

polygon
type: Concept
narrower: pentagon
preferred label: چندضلعی @fa

pentagonal pyramid
type: Concept
preferred label: هرم مخمس‌القاعده @fa
related: pentagon