9,990,940

2² × 5 × 109 × 4583

9,990,940 factors as 2^2 × 5 × 109 × 4583. Its 24 positive divisors give a proper-divisor sum of 11,187,140, so this integer is abundant. The Collatz stopping time is 163 steps.

Prime Factor Structure

Factorization String 2^2 × 5 × 109 × 4583

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 21,178,080

Proper Divisor Sum 11,187,140

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #9990919 ← → #9990943

Radix Representation

Decimal	9990940
Binary	100110000111001100011100 (24 bits)
Octal	0o46071434
Hexadecimal	0x98731C

Divisor Catalog (24)

Collatz Trajectory (163 steps to reach 1)

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

9,990,940 4,995,470 2,497,735 7,493,206 3,746,603 11,239,810 5,619,905 16,859,716 8,429,858 4,214,929 12,644,788 6,322,394 3,161,197 9,483,592 4,741,796 2,370,898 1,185,449 3,556,348 1,778,174 889,087 2,667,262 1,333,631 4,000,894 2,000,447 6,001,342 3,000,671 9,002,014 4,501,007 13,503,022 6,751,511 20,254,534 10,127,267 30,381,802 15,190,901 45,572,704 22,786,352 11,393,176 5,696,588 2,848,294 1,424,147 4,272,442 2,136,221 6,408,664 3,204,332 1,602,166 801,083 2,403,250 1,201,625 3,604,876 1,802,438 901,219 2,703,658 1,351,829 4,055,488 2,027,744 1,013,872 506,936 253,468 126,734 63,367

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