λ
Sequence Observatory

372,209

23 × 16183
Deficient Odd Composite

Starting at 372,209, the Collatz iteration reaches 1 after 179 steps. The first transition is 1116628; the starting value is odd with 4 positive divisors.

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Prime Factor Structure

Factorization String 23 × 16183
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 388,416
Proper Divisor Sum 16,207
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #372179 ← → #372223

Radix Representation

Decimal 372209
Binary 1011010110111110001 (19 bits)
Octal 0o1326761
Hexadecimal 0x5ADF1

Divisor Catalog (4)

Collatz Trajectory (179 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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