2² × 5 × 89 × 163

Prime Factor Structure

Factorization String 2^2 × 5 × 89 × 163

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 619,920

Proper Divisor Sum 329,780

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #290137 ← → #290141

1 2 4 5 10 20 89 163 178 326 356 445 652 815 890 1,630 1,780 3,260 14,507 29,014 58,028 72,535 145,070 290,140

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

290,140 145,070 72,535 217,606 108,803 326,410 163,205 489,616 244,808 122,404 61,202 30,601 91,804 45,902 22,951 68,854 34,427 103,282 51,641 154,924 77,462 38,731 116,194 58,097 174,292 87,146 43,573 130,720 65,360 32,680 16,340 8,170 4,085 12,256 6,128 3,064 1,532 766 383 1,150 575 1,726 863 2,590 1,295 3,886 1,943 5,830 2,915 8,746 4,373 13,120 6,560 3,280 1,640 820 410 205 616 308

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