λ
Sequence Observatory

1,835,587

13 × 141199
Deficient Odd Composite

Starting at 1,835,587, the Collatz iteration reaches 1 after 109 steps. The first transition is 5506762; the starting value is odd with 4 positive divisors.

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Prime Factor Structure

Factorization String 13 × 141199
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,976,800
Proper Divisor Sum 141,213
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #1835573 ← → #1835591

Radix Representation

Decimal 1835587
Binary 111000000001001000011 (21 bits)
Octal 0o7001103
Hexadecimal 0x1C0243

Divisor Catalog (4)

1 13 141,199 1,835,587

Collatz Trajectory (109 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.

1,835,587 5,506,762 2,753,381 8,260,144 4,130,072

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