λ
Sequence Observatory

3,143,625

3 × 53 × 83 × 101
Deficient Odd Composite

Starting at 3,143,625, the Collatz iteration reaches 1 after 301 steps. The first transition is 9430876; the starting value is odd with 32 positive divisors.

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Prime Factor Structure

Factorization String 3 × 5^3 × 83 × 101
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 5,346,432
Proper Divisor Sum 2,202,807
Digit Sum / Digital Root 24 (Root: 6)
Adjacent Primes #3143587 ← → #3143641

Radix Representation

Decimal 3143625
Binary 1011111111011111001001 (22 bits)
Octal 0o13773711
Hexadecimal 0x2FF7C9

Divisor Catalog (5 of 32)

1 3 5 15 25

Collatz Trajectory (301 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.

3,143,625 9,430,876 4,715,438 2,357,719 7,073,158

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