2,185,143

3 × 728381

2,185,143 has digital root 6. The neighboring primes are 2185103 and 2185151; its proper-divisor sum differs from the starting integer by -1,456,758.

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Factorization String 3 × 728381

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Total Divisors 4

Divisor Sum (σ) 2,913,528

Proper Divisor Sum 728,385

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #2185103 ← → #2185151

1 3 728,381 2,185,143

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

Showing the first 5 trajectory entries; the stopping-time total above is unchanged.

2,185,143 6,555,430 3,277,715 9,833,146 4,916,573

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