λ
Ratio Atlas

2,738,218

2 × 72 × 27941
Deficient Even Composite

2,738,218 factors as 2 × 7^2 × 27941. Its 12 positive divisors give a proper-divisor sum of 2,039,864, so this integer is deficient. The Collatz stopping time is 63 steps.

Prime Factor Structure

Factorization String 2 × 7^2 × 27941
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 4,778,082
Proper Divisor Sum 2,039,864
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #2738201 ← → #2738227

Radix Representation

Decimal 2738218
Binary 1010011100100000101010 (22 bits)
Octal 0o12344052
Hexadecimal 0x29C82A

Divisor Catalog (12)

Collatz Trajectory (63 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

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