4,490,161

13² × 163²

4,490,161 factors as 13^2 × 163^2. Its 9 positive divisors give a proper-divisor sum of 401,978, so this integer is deficient. The Collatz stopping time is 136 steps.

Prime Factor Structure

Factorization String 13^2 × 163^2

Distinct Prime Factors 2

Square Status Yes (√4490161 = 2119)

Abundance Measure Deficient

Analytical Properties

Total Divisors 9

Divisor Sum (σ) 4,892,139

Proper Divisor Sum 401,978

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #4490147 ← → #4490179

Radix Representation

Decimal	4490161
Binary	10001001000001110110001 (23 bits)
Octal	0o21101661
Hexadecimal	0x4483B1

Divisor Catalog (9)

1 13 163 169 2,119 26,569 27,547 345,397 4,490,161

Collatz Trajectory (136 steps to reach 1)

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

4,490,161 13,470,484 6,735,242 3,367,621 10,102,864 5,051,432 2,525,716 1,262,858 631,429 1,894,288 947,144 473,572 236,786 118,393 355,180 177,590 88,795 266,386 133,193 399,580 199,790 99,895 299,686 149,843 449,530 224,765 674,296 337,148 168,574 84,287 252,862 126,431 379,294 189,647 568,942 284,471 853,414 426,707 1,280,122 640,061 1,920,184 960,092 480,046 240,023 720,070 360,035 1,080,106 540,053 1,620,160 810,080 405,040 202,520 101,260 50,630 25,315 75,946 37,973 113,920 56,960 28,480

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