λ
Sequence Observatory

3,718,567

67 × 55501
Deficient Odd Composite

Starting at 3,718,567, the Collatz iteration reaches 1 after 79 steps. The first transition is 11155702; the starting value is odd with 4 positive divisors.

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Prime Factor Structure

Factorization String 67 × 55501
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 3,774,136
Proper Divisor Sum 55,569
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #3718553 ← → #3718573

Radix Representation

Decimal 3718567
Binary 1110001011110110100111 (22 bits)
Octal 0o16136647
Hexadecimal 0x38BDA7

Divisor Catalog (4)

Collatz Trajectory (79 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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