840,918

2 × 3 × 13 × 10781

Prime Factor Structure

Factorization String 2 × 3 × 13 × 10781

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 16

Divisor Sum (σ) 1,811,376

Proper Divisor Sum 970,458

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #840911 ← → #840923

1 2 3 6 13 26 39 78 10,781 21,562 32,343 64,686 140,153 280,306 420,459 840,918

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

840,918 420,459 1,261,378 630,689 1,892,068 946,034 473,017 1,419,052 709,526 354,763 1,064,290 532,145 1,596,436 798,218 399,109 1,197,328 598,664 299,332 149,666 74,833 224,500 112,250 56,125 168,376 84,188 42,094 21,047 63,142 31,571 94,714 47,357 142,072 71,036 35,518 17,759 53,278 26,639 79,918 39,959 119,878 59,939 179,818 89,909 269,728 134,864 67,432 33,716 16,858 8,429 25,288 12,644 6,322 3,161 9,484 4,742 2,371 7,114 3,557 10,672 5,336

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