Input interpretation
![Es-254 | half-life](../image_source/4c0b6478e177b60ee6b238c01b3b0ed9.png)
Es-254 | half-life
Result
![275.7 days (275.17 to 276.23 days)](../image_source/a6eaf8aab298a80261e6d4690c807b68.png)
275.7 days (275.17 to 276.23 days)
Decay properties
![half-life | 275.7 days (275.17 to 276.23 days) mean lifetime | 397.8 days (396.99 to 398.51 days) decay constant | 2.91×10^-8 per second specific activity | 68.96 TBq/g (terabecquerels per gram) width | 1.915×10^-23 eV (electronvolts) decay modes | α (alpha emission) | ϵ (electron capture) | β^- (electron emission) | SF (spontaneous fission) final decay products | Pb-206 (100%) | Tl-205 (2×10^-6%) | Pb-208 (2.6×10^-9%) | W-184 (9×10^-12%) | Yb-168 (5×10^-27%) | Er-164 (4×10^-27%) | Dy-160 (2×10^-28%) | Dy-156 (1×10^-30%) | Sm-144 (1×10^-31%) | Ce-140 (1×10^-32%) | Dy-164 (0%) | Er-168 (0%) | Gd-156 (0%) | Hf-176 (0%) | Hf-180 (0%) | Sm-152 (0%) | Yb-172 (0%)](../image_source/6b9c43f20b048c135a337c05e9bc4d62.png)
half-life | 275.7 days (275.17 to 276.23 days) mean lifetime | 397.8 days (396.99 to 398.51 days) decay constant | 2.91×10^-8 per second specific activity | 68.96 TBq/g (terabecquerels per gram) width | 1.915×10^-23 eV (electronvolts) decay modes | α (alpha emission) | ϵ (electron capture) | β^- (electron emission) | SF (spontaneous fission) final decay products | Pb-206 (100%) | Tl-205 (2×10^-6%) | Pb-208 (2.6×10^-9%) | W-184 (9×10^-12%) | Yb-168 (5×10^-27%) | Er-164 (4×10^-27%) | Dy-160 (2×10^-28%) | Dy-156 (1×10^-30%) | Sm-144 (1×10^-31%) | Ce-140 (1×10^-32%) | Dy-164 (0%) | Er-168 (0%) | Gd-156 (0%) | Hf-176 (0%) | Hf-180 (0%) | Sm-152 (0%) | Yb-172 (0%)
Unit conversions
![275 days 16 hours 40 minutes](../image_source/bc9f5fd52f19db1fc9ef9d7e64315c53.png)
275 days 16 hours 40 minutes
![2.382×10^7 seconds](../image_source/441f9322514d80632e4dfc9163ebf0f5.png)
2.382×10^7 seconds
![397000 minutes](../image_source/5851f8b0c34183c00c926481dae650cb.png)
397000 minutes
![6617 hours](../image_source/0eb4b9b27f8747b1f613f7ddb98f8ed7.png)
6617 hours
![39.38 weeks](../image_source/56ad45fd8cc791912cef0d2d6c8b8aa9.png)
39.38 weeks
![9.064 months](../image_source/ff54c48a6f1e6b502758b83a3178e8be.png)
9.064 months
Comparisons as half-life
![≈ ( 0.14 ≈ 1/7 ) × half-life of cobalt-60 ( 1.6635×10^8 s )](../image_source/6a026538ea4093171cf4df86a93b2838.png)
≈ ( 0.14 ≈ 1/7 ) × half-life of cobalt-60 ( 1.6635×10^8 s )
![≈ 0.29 × half-life of sodium-22 ( 8.2108×10^7 s )](../image_source/2f96c9ad75cf0dfbce337b8c70c5313a.png)
≈ 0.29 × half-life of sodium-22 ( 8.2108×10^7 s )