λ
Sequence Observatory

1,741,408

25 × 54419
Deficient Even Composite

Starting at 1,741,408, the Collatz iteration reaches 1 after 189 steps. The first transition is 870704; the starting value is even with 12 positive divisors.

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Prime Factor Structure

Factorization String 2^5 × 54419
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 3,428,460
Proper Divisor Sum 1,687,052
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #1741387 ← → #1741409

Radix Representation

Decimal 1741408
Binary 110101001001001100000 (21 bits)
Octal 0o6511140
Hexadecimal 0x1A9260

Divisor Catalog (5 of 12)

1 2 4 8 16

Collatz Trajectory (189 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.

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