2² × 3 × 5² × 19 × 137

Prime Factor Structure

Factorization String 2^2 × 3 × 5^2 × 19 × 137

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 72

Divisor Sum (σ) 2,395,680

Proper Divisor Sum 1,614,780

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #780889 ← → #780917

1 2 3 4 5 6 10 12 15 19 20 25 30 38 50 57 60 75 76 95 100 114 137 150 190 228 274 285 300 380 411 475 548 570 685 822 950 1,140 1,370 1,425 1,644 1,900 2,055 2,603 2,740 2,850 3,425 4,110 5,206 5,700 6,850 7,809 8,220 10,275 10,412 13,015 13,700 15,618 20,550 26,030

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

780,900 390,450 195,225 585,676 292,838 146,419 439,258 219,629 658,888 329,444 164,722 82,361 247,084 123,542 61,771 185,314 92,657 277,972 138,986 69,493 208,480 104,240 52,120 26,060 13,030 6,515 19,546 9,773 29,320 14,660 7,330 3,665 10,996 5,498 2,749 8,248 4,124 2,062 1,031 3,094 1,547 4,642 2,321 6,964 3,482 1,741 5,224 2,612 1,306 653 1,960 980 490 245 736 368 184 92 46 23

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