λ
Sequence Observatory

6,615,178

2 × 67 × 49367
Deficient Even Composite

Starting at 6,615,178, the Collatz iteration reaches 1 after 178 steps. The first transition is 3307589; the starting value is even with 8 positive divisors.

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Prime Factor Structure

Factorization String 2 × 67 × 49367
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 10,071,072
Proper Divisor Sum 3,455,894
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #6615157 ← → #6615179

Radix Representation

Decimal 6615178
Binary 11001001111000010001010 (23 bits)
Octal 0o31170212
Hexadecimal 0x64F08A

Divisor Catalog (5 of 8)

Collatz Trajectory (178 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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