2 × 3 × 17 × 421

Prime Factor Structure

Factorization String 2 × 3 × 17 × 421

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 91,152

Proper Divisor Sum 48,210

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #42937 ← → #42943

1 2 3 6 17 34 51 102 421 842 1,263 2,526 7,157 14,314 21,471 42,942

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

42,942 21,471 64,414 32,207 96,622 48,311 144,934 72,467 217,402 108,701 326,104 163,052 81,526 40,763 122,290 61,145 183,436 91,718 45,859 137,578 68,789 206,368 103,184 51,592 25,796 12,898 6,449 19,348 9,674 4,837 14,512 7,256 3,628 1,814 907 2,722 1,361 4,084 2,042 1,021 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

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