Hagen number

Summary

Hagen number ranks in the top 2% of general entities by monthly Wikipedia readership (6 views/month).^[1]

Key Facts

• Gotthilf Hagen is named after Hagen number^[2].
• Hagen number's subclass of is recorded as characteristic number^[3].
• Hagen number's subclass of is recorded as dimensionless number in fluid mechanics^[4].
• Hagen number's subclass of is recorded as criterion of similarity^[5].
• Hagen number's Freebase ID is recorded as /m/0571g1^[6].
• Hagen number's described by source is recorded as ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers^[7].
• Hagen number's defining formula is recorded as \mathit{Hg} = -\frac{1}{\rho} \frac{\mathrm{d} p}{\mathrm{d} x} \frac{l^3}{\nu^2}^[8].
• Hagen number's ISQ dimension is recorded as 1^[9].
• Hagen number's maintained by WikiProject is recorded as WikiProject Mathematics^[10].
• Hagen number's maintained by WikiProject is recorded as WikiProject Fluid dynamics^[11].
• Hagen number's Microsoft Academic ID is recorded as 2777405415^[12].
• Hagen number's in defining formula is recorded as \mathit{Hg}^[13].
• Hagen number's in defining formula is recorded as \rho^[14].
• Hagen number's in defining formula is recorded as \frac{\mathrm{d} p}{\mathrm{d} x}^[15].
• Hagen number's in defining formula is recorded as l^[16].
• Hagen number's in defining formula is recorded as \nu^[17].
• Hagen number's Wolfram Language quantity ID is recorded as HagenNumber^[18].
• Hagen number's quantity symbol is recorded as \mathit{Hg}^[19].
• Hagen number's quantity symbol is recorded as \mathit{Ha}^[20].
• Hagen number's recommended unit of measurement is recorded as 1^[21].

Why It Matters

Hagen number ranks in the top 2% of general entities by monthly Wikipedia readership (6 views/month).^[1] It has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.^[22]