9,981,218

2 × 13 × 23 × 16691

9,981,218 factors as 2 × 13 × 23 × 16691. Its 16 positive divisors give a proper-divisor sum of 6,844,318, so this integer is deficient. The Collatz stopping time is 114 steps.

Prime Factor Structure

Factorization String 2 × 13 × 23 × 16691

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 16,825,536

Proper Divisor Sum 6,844,318

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #9981211 ← → #9981221

Radix Representation

Decimal	9981218
Binary	100110000100110100100010 (24 bits)
Octal	0o46046442
Hexadecimal	0x984D22

Divisor Catalog (16)

1 2 13 23 26 46 299 598 16,691 33,382 216,983 383,893 433,966 767,786 4,990,609 9,981,218

Collatz Trajectory (114 steps to reach 1)

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

9,981,218 4,990,609 14,971,828 7,485,914 3,742,957 11,228,872 5,614,436 2,807,218 1,403,609 4,210,828 2,105,414 1,052,707 3,158,122 1,579,061 4,737,184 2,368,592 1,184,296 592,148 296,074 148,037 444,112 222,056 111,028 55,514 27,757 83,272 41,636 20,818 10,409 31,228 15,614 7,807 23,422 11,711 35,134 17,567 52,702 26,351 79,054 39,527 118,582 59,291 177,874 88,937 266,812 133,406 66,703 200,110 100,055 300,166 150,083 450,250 225,125 675,376 337,688 168,844 84,422 42,211 126,634 63,317

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