999,644

2² × 249911

999,644 factors as 2^2 × 249911. Its 6 positive divisors give a proper-divisor sum of 749,740, so this integer is deficient. The Collatz stopping time is 183 steps.

Prime Factor Structure

Factorization String 2^2 × 249911

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 1,749,384

Proper Divisor Sum 749,740

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #999631 ← → #999653

Radix Representation

Decimal	999644
Binary	11110100000011011100 (20 bits)
Octal	0o3640334
Hexadecimal	0xF40DC

Divisor Catalog (6)

1 2 4 249,911 499,822 999,644

Collatz Trajectory (183 steps to reach 1)

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

999,644 499,822 249,911 749,734 374,867 1,124,602 562,301 1,686,904 843,452 421,726 210,863 632,590 316,295 948,886 474,443 1,423,330 711,665 2,134,996 1,067,498 533,749 1,601,248 800,624 400,312 200,156 100,078 50,039 150,118 75,059 225,178 112,589 337,768 168,884 84,442 42,221 126,664 63,332 31,666 15,833 47,500 23,750 11,875 35,626 17,813 53,440 26,720 13,360 6,680 3,340 1,670 835 2,506 1,253 3,760 1,880 940 470 235 706 353 1,060

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