λ
Sequence Observatory

3,721,655

5 × 7 × 113 × 941
Deficient Odd Composite

Starting at 3,721,655, the Collatz iteration reaches 1 after 141 steps. The first transition is 11164966; the starting value is odd with 16 positive divisors.

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Prime Factor Structure

Factorization String 5 × 7 × 113 × 941
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 5,154,624
Proper Divisor Sum 1,432,969
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #3721631 ← → #3721673

Radix Representation

Decimal 3721655
Binary 1110001100100110110111 (22 bits)
Octal 0o16144667
Hexadecimal 0x38C9B7

Divisor Catalog (5 of 16)

1 5 7 35 113

Collatz Trajectory (141 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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