Ozone1126 t1_j4e7uss wrote

2.17645×10^-8 kg or 1.088225×10^-8 kg

1 Planck mass or 0.5 Planck mass

Those would make black holes with a radius of 1 Planck length or a diameter of said length. The reason nobody knows which is which is because we aren't sure how things are "rounded" at Planck scales