λ
Sequence Observatory

1,125,117

33 × 7 × 5953
Deficient Odd Composite

Starting at 1,125,117, the Collatz iteration reaches 1 after 253 steps. The first transition is 3375352; the starting value is odd with 16 positive divisors.

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Prime Factor Structure

Factorization String 3^3 × 7 × 5953
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 1,905,280
Proper Divisor Sum 780,163
Digit Sum / Digital Root 18 (Root: 9)
Adjacent Primes #1125109 ← → #1125121

Radix Representation

Decimal 1125117
Binary 100010010101011111101 (21 bits)
Octal 0o4225375
Hexadecimal 0x112AFD

Divisor Catalog (5 of 16)

1 3 7 9 21

Collatz Trajectory (253 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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