1,666,725

3 × 5² × 71 × 313

1,666,725 factors as 3 × 5^2 × 71 × 313. Its 24 positive divisors give a proper-divisor sum of 1,136,667, so this integer is deficient. The Collatz stopping time is 176 steps.

Prime Factor Structure

Factorization String 3 × 5^2 × 71 × 313

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 2,803,392

Proper Divisor Sum 1,136,667

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #1666711 ← → #1666727

Radix Representation

Decimal	1666725
Binary	110010110111010100101 (21 bits)
Octal	0o6267245
Hexadecimal	0x196EA5

Divisor Catalog (24)

Collatz Trajectory (176 steps to reach 1)

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

1,666,725 5,000,176 2,500,088 1,250,044 625,022 312,511 937,534 468,767 1,406,302 703,151 2,109,454 1,054,727 3,164,182 1,582,091 4,746,274 2,373,137 7,119,412 3,559,706 1,779,853 5,339,560 2,669,780 1,334,890 667,445 2,002,336 1,001,168 500,584 250,292 125,146 62,573 187,720 93,860 46,930 23,465 70,396 35,198 17,599 52,798 26,399 79,198 39,599 118,798 59,399 178,198 89,099 267,298 133,649 400,948 200,474 100,237 300,712 150,356 75,178 37,589 112,768 56,384 28,192 14,096 7,048 3,524 1,762

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