16,645,648

2⁴ × 1040353

16,645,648 factors as 2^4 × 1040353. Its 10 positive divisors give a proper-divisor sum of 15,605,326, so this integer is deficient. The Collatz stopping time is 161 steps.

Prime Factor Structure

Factorization String 2^4 × 1040353

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 10

Divisor Sum (σ) 32,250,974

Proper Divisor Sum 15,605,326

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #16645639 ← → #16645649

Radix Representation

Decimal	16645648
Binary	111111011111111000010000 (24 bits)
Octal	0o77377020
Hexadecimal	0xFDFE10

Divisor Catalog (10)

1 2 4 8 16 1,040,353 2,080,706 4,161,412 8,322,824 16,645,648

Collatz Trajectory (161 steps to reach 1)

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

16,645,648 8,322,824 4,161,412 2,080,706 1,040,353 3,121,060 1,560,530 780,265 2,340,796 1,170,398 585,199 1,755,598 877,799 2,633,398 1,316,699 3,950,098 1,975,049 5,925,148 2,962,574 1,481,287 4,443,862 2,221,931 6,665,794 3,332,897 9,998,692 4,999,346 2,499,673 7,499,020 3,749,510 1,874,755 5,624,266 2,812,133 8,436,400 4,218,200 2,109,100 1,054,550 527,275 1,581,826 790,913 2,372,740 1,186,370 593,185 1,779,556 889,778 444,889 1,334,668 667,334 333,667 1,001,002 500,501 1,501,504 750,752 375,376 187,688 93,844 46,922 23,461 70,384 35,192 17,596

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