λ
Sequence Observatory

4,261,567

19 × 211 × 1063
Deficient Odd Composite

Starting at 4,261,567, the Collatz iteration reaches 1 after 242 steps. The first transition is 12784702; the starting value is odd with 8 positive divisors.

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Prime Factor Structure

Factorization String 19 × 211 × 1063
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 4,511,360
Proper Divisor Sum 249,793
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #4261553 ← → #4261583

Radix Representation

Decimal 4261567
Binary 10000010000011010111111 (23 bits)
Octal 0o20203277
Hexadecimal 0x4106BF

Divisor Catalog (5 of 8)

Collatz Trajectory (242 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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