λ
Sequence Observatory

3,478,256

24 × 149 × 1459
Deficient Even Composite

Starting at 3,478,256, the Collatz iteration reaches 1 after 97 steps. The first transition is 1739128; the starting value is even with 20 positive divisors.

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Prime Factor Structure

Factorization String 2^4 × 149 × 1459
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 20
Divisor Sum (σ) 6,789,000
Proper Divisor Sum 3,310,744
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #3478247 ← → #3478261

Radix Representation

Decimal 3478256
Binary 1101010001001011110000 (22 bits)
Octal 0o15211360
Hexadecimal 0x3512F0

Divisor Catalog (5 of 20)

1 2 4 8 16

Collatz Trajectory (97 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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