100,989

3² × 7² × 229

Prime Factor Structure

Factorization String 3^2 × 7^2 × 229

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 18

Divisor Sum (σ) 170,430

Proper Divisor Sum 69,441

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #100987 ← → #100999

1 3 7 9 21 49 63 147 229 441 687 1,603 2,061 4,809 11,221 14,427 33,663 100,989

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

100,989 302,968 151,484 75,742 37,871 113,614 56,807 170,422 85,211 255,634 127,817 383,452 191,726 95,863 287,590 143,795 431,386 215,693 647,080 323,540 161,770 80,885 242,656 121,328 60,664 30,332 15,166 7,583 22,750 11,375 34,126 17,063 51,190 25,595 76,786 38,393 115,180 57,590 28,795 86,386 43,193 129,580 64,790 32,395 97,186 48,593 145,780 72,890 36,445 109,336 54,668 27,334 13,667 41,002 20,501 61,504 30,752 15,376 7,688 3,844

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