2² × 5 × 31 × 347

Prime Factor Structure

Factorization String 2^2 × 5 × 31 × 347

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 467,712

Proper Divisor Sum 252,572

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #215123 ← → #215141

1 2 4 5 10 20 31 62 124 155 310 347 620 694 1,388 1,735 3,470 6,940 10,757 21,514 43,028 53,785 107,570 215,140

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

215,140 107,570 53,785 161,356 80,678 40,339 121,018 60,509 181,528 90,764 45,382 22,691 68,074 34,037 102,112 51,056 25,528 12,764 6,382 3,191 9,574 4,787 14,362 7,181 21,544 10,772 5,386 2,693 8,080 4,040 2,020 1,010 505 1,516 758 379 1,138 569 1,708 854 427 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376

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