λ
Match Zalai

4,391,225

52 × 175649
Deficient Odd Composite

4,391,225 factors as 5^2 × 175649. Its 6 positive divisors give a proper-divisor sum of 1,053,925, so this integer is deficient. The Collatz stopping time is 123 steps.

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Prime Factor Structure

Factorization String 5^2 × 175649
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 5,445,150
Proper Divisor Sum 1,053,925
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #4391221 ← → #4391227

Radix Representation

Decimal 4391225
Binary 10000110000000100111001 (23 bits)
Octal 0o20600471
Hexadecimal 0x430139

Divisor Catalog (5 of 6)

1 5 25 175,649 878,245

Collatz Trajectory (123 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.

4,391,225 13,173,676 6,586,838 3,293,419 9,880,258

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