1,997,164

2² × 13 × 193 × 199

Prime Factor Structure

Factorization String 2^2 × 13 × 193 × 199

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 3,802,400

Proper Divisor Sum 1,805,236

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #1997161 ← → #1997173

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

1,997,164 998,582 499,291 1,497,874 748,937 2,246,812 1,123,406 561,703 1,685,110 842,555 2,527,666 1,263,833 3,791,500 1,895,750 947,875 2,843,626 1,421,813 4,265,440 2,132,720 1,066,360 533,180 266,590 133,295 399,886 199,943 599,830 299,915 899,746 449,873 1,349,620 674,810 337,405 1,012,216 506,108 253,054 126,527 379,582 189,791 569,374 284,687 854,062 427,031 1,281,094 640,547 1,921,642 960,821 2,882,464 1,441,232 720,616 360,308 180,154 90,077 270,232 135,116 67,558 33,779 101,338 50,669 152,008 76,004

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