2² × 5 × 43 × 337

Prime Factor Structure

Factorization String 2^2 × 5 × 43 × 337

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 624,624

Proper Divisor Sum 334,804

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #289789 ← → #289837

1 2 4 5 10 20 43 86 172 215 337 430 674 860 1,348 1,685 3,370 6,740 14,491 28,982 57,964 72,455 144,910 289,820

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

289,820 144,910 72,455 217,366 108,683 326,050 163,025 489,076 244,538 122,269 366,808 183,404 91,702 45,851 137,554 68,777 206,332 103,166 51,583 154,750 77,375 232,126 116,063 348,190 174,095 522,286 261,143 783,430 391,715 1,175,146 587,573 1,762,720 881,360 440,680 220,340 110,170 55,085 165,256 82,628 41,314 20,657 61,972 30,986 15,493 46,480 23,240 11,620 5,810 2,905 8,716 4,358 2,179 6,538 3,269 9,808 4,904 2,452 1,226 613 1,840

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