λ
Sequence Observatory

1,185,659

1185659
Deficient Odd Prime

Starting at 1,185,659, the Collatz iteration reaches 1 after 98 steps. The first transition is 3556978; the starting value is odd with 2 positive divisors.

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Prime Factor Structure

Factorization String 1185659
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 1,185,660
Proper Divisor Sum 1
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #1185647 ← → #1185661

Radix Representation

Decimal 1185659
Binary 100100001011101111011 (21 bits)
Octal 0o4413573
Hexadecimal 0x12177B

Divisor Catalog (2)

Collatz Trajectory (98 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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