321,980

2² × 5 × 17 × 947

Prime Factor Structure

Factorization String 2^2 × 5 × 17 × 947

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 24

Divisor Sum (σ) 716,688

Proper Divisor Sum 394,708

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #321961 ← → #321983

1 2 4 5 10 17 20 34 68 85 170 340 947 1,894 3,788 4,735 9,470 16,099 18,940 32,198 64,396 80,495 160,990 321,980

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

321,980 160,990 80,495 241,486 120,743 362,230 181,115 543,346 271,673 815,020 407,510 203,755 611,266 305,633 916,900 458,450 229,225 687,676 343,838 171,919 515,758 257,879 773,638 386,819 1,160,458 580,229 1,740,688 870,344 435,172 217,586 108,793 326,380 163,190 81,595 244,786 122,393 367,180 183,590 91,795 275,386 137,693 413,080 206,540 103,270 51,635 154,906 77,453 232,360 116,180 58,090 29,045 87,136 43,568 21,784 10,892 5,446 2,723 8,170 4,085 12,256

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