2² × 5 × 7 × 2213

Prime Factor Structure

Factorization String 2^2 × 5 × 7 × 2213

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 743,904

Proper Divisor Sum 434,084

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #309811 ← → #309823

1 2 4 5 7 10 14 20 28 35 70 140 2,213 4,426 8,852 11,065 15,491 22,130 30,982 44,260 61,964 77,455 154,910 309,820

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

309,820 154,910 77,455 232,366 116,183 348,550 174,275 522,826 261,413 784,240 392,120 196,060 98,030 49,015 147,046 73,523 220,570 110,285 330,856 165,428 82,714 41,357 124,072 62,036 31,018 15,509 46,528 23,264 11,632 5,816 2,908 1,454 727 2,182 1,091 3,274 1,637 4,912 2,456 1,228 614 307 922 461 1,384 692 346 173 520 260 130 65 196 98 49 148 74 37 112 56

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