λ
Sequence Observatory

2,286,872

23 × 7 × 97 × 421
Abundant Even Composite

Starting at 2,286,872, the Collatz iteration reaches 1 after 104 steps. The first transition is 1143436; the starting value is even with 32 positive divisors.

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Prime Factor Structure

Factorization String 2^3 × 7 × 97 × 421
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 4,962,720
Proper Divisor Sum 2,675,848
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #2286847 ← → #2286877

Radix Representation

Decimal 2286872
Binary 1000101110010100011000 (22 bits)
Octal 0o10562430
Hexadecimal 0x22E518

Divisor Catalog (5 of 32)

1 2 4 7 8

Collatz Trajectory (104 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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