λ
Ratio Atlas

1,405,268

22 × 113 × 3109
Deficient Even Composite

1,405,268 factors as 2^2 × 113 × 3109. Its 12 positive divisors give a proper-divisor sum of 1,076,512, so this integer is deficient. The Collatz stopping time is 137 steps.

Prime Factor Structure

Factorization String 2^2 × 113 × 3109
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 2,481,780
Proper Divisor Sum 1,076,512
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #1405267 ← → #1405289

Radix Representation

Decimal 1405268
Binary 101010111000101010100 (21 bits)
Octal 0o5270524
Hexadecimal 0x157154

Divisor Catalog (12)

Collatz Trajectory (137 steps to reach 1)

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

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