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229 — prime, thorium-229 for atomic clocks
229 is prime. Thorium-229 (²²⁹Th) is used in the most precise nuclear transition atomic clocks. A prime with a timekeeping application in fundamental physics.
Science
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22.09 — autumn equinox
22 September — the autumn equinox, the day of equal day and night. Inside 0229 lives the date 22.09 — a moment of astronomical balance. A number holding equilibrium within.
Dates
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13→4: transformation to foundation
0+2+2+9=13→4. Two twos and nine: partnership, partnership, completion — then solid foundation (4). A number of balance finding stability.
Numerology