λ
Ratio Atlas

404,258

2 × 202129
Deficient Even Composite

404,258 factors as 2 × 202129. Its 4 positive divisors give a proper-divisor sum of 202,132, so this integer is deficient. The Collatz stopping time is 68 steps.

Prime Factor Structure

Factorization String 2 × 202129
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 606,390
Proper Divisor Sum 202,132
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #404251 ← → #404267

Radix Representation

Decimal 404258
Binary 1100010101100100010 (19 bits)
Octal 0o1425442
Hexadecimal 0x62B22

Divisor Catalog (4)

Collatz Trajectory (68 steps to reach 1)

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

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