λ
Sequence Observatory

2,448,561

3 × 17 × 41 × 1171
Deficient Odd Composite

Starting at 2,448,561, the Collatz iteration reaches 1 after 205 steps. The first transition is 7345684; the starting value is odd with 16 positive divisors.

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Prime Factor Structure

Factorization String 3 × 17 × 41 × 1171
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 3,544,128
Proper Divisor Sum 1,095,567
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #2448553 ← → #2448569

Radix Representation

Decimal 2448561
Binary 1001010101110010110001 (22 bits)
Octal 0o11256261
Hexadecimal 0x255CB1

Divisor Catalog (5 of 16)

1 3 17 41 51

Collatz Trajectory (205 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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