λ
Ratio Atlas

416,309

19 × 21911
Deficient Odd Composite

416,309 factors as 19 × 21911. Its 4 positive divisors give a proper-divisor sum of 21,931, so this integer is deficient. The Collatz stopping time is 143 steps.

Prime Factor Structure

Factorization String 19 × 21911
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 438,240
Proper Divisor Sum 21,931
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #416291 ← → #416333

Radix Representation

Decimal 416309
Binary 1100101101000110101 (19 bits)
Octal 0o1455065
Hexadecimal 0x65A35

Divisor Catalog (4)

Collatz Trajectory (143 steps to reach 1)

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

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