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Zalai Atlas

1,605,065

5 × 7 × 112 × 379
Deficient Odd Composite

1,605,065 has the prime decomposition 5 × 7 × 11^2 × 379. Its 4 distinct prime factors produce 24 positive divisors.

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Prime Factor Structure

Factorization String 5 × 7 × 11^2 × 379
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 2,425,920
Proper Divisor Sum 820,855
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #1605053 ← → #1605083

Radix Representation

Decimal 1605065
Binary 110000111110111001001 (21 bits)
Octal 0o6076711
Hexadecimal 0x187DC9

Divisor Catalog (5 of 24)

1 5 7 11 35

Collatz Trajectory (70 steps to reach 1)

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.

1,605,065 4,815,196 2,407,598 1,203,799 3,611,398

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