λ
Sequence Observatory

3,698,663

3698663
Deficient Odd Prime

Starting at 3,698,663, the Collatz iteration reaches 1 after 141 steps. The first transition is 11095990; the starting value is odd with 2 positive divisors.

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Prime Factor Structure

Factorization String 3698663
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 3,698,664
Proper Divisor Sum 1
Digit Sum / Digital Root 41 (Root: 5)
Adjacent Primes #3698659 ← → #3698671

Radix Representation

Decimal 3698663
Binary 1110000110111111100111 (22 bits)
Octal 0o16067747
Hexadecimal 0x386FE7

Divisor Catalog (2)

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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