197,100

2² × 3³ × 5² × 73

Prime Factor Structure

Factorization String 2^2 × 3^3 × 5^2 × 73

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 72

Divisor Sum (σ) 642,320

Proper Divisor Sum 445,220

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #197089 ← → #197101

1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 73 75 90 100 108 135 146 150 180 219 225 270 292 300 365 438 450 540 657 675 730 876 900 1,095 1,314 1,350 1,460 1,825 1,971 2,190 2,628 2,700 3,285 3,650 3,942 4,380 5,475 6,570 7,300 7,884

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

197,100 98,550 49,275 147,826 73,913 221,740 110,870 55,435 166,306 83,153 249,460 124,730 62,365 187,096 93,548 46,774 23,387 70,162 35,081 105,244 52,622 26,311 78,934 39,467 118,402 59,201 177,604 88,802 44,401 133,204 66,602 33,301 99,904 49,952 24,976 12,488 6,244 3,122 1,561 4,684 2,342 1,171 3,514 1,757 5,272 2,636 1,318 659 1,978 989 2,968 1,484 742 371 1,114 557 1,672 836 418 209

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