2² × 5 × 7 × 2207

Prime Factor Structure

Factorization String 2^2 × 5 × 7 × 2207

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 741,888

Proper Divisor Sum 432,908

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #308951 ← → #308989

1 2 4 5 7 10 14 20 28 35 70 140 2,207 4,414 8,828 11,035 15,449 22,070 30,898 44,140 61,796 77,245 154,490 308,980

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

308,980 154,490 77,245 231,736 115,868 57,934 28,967 86,902 43,451 130,354 65,177 195,532 97,766 48,883 146,650 73,325 219,976 109,988 54,994 27,497 82,492 41,246 20,623 61,870 30,935 92,806 46,403 139,210 69,605 208,816 104,408 52,204 26,102 13,051 39,154 19,577 58,732 29,366 14,683 44,050 22,025 66,076 33,038 16,519 49,558 24,779 74,338 37,169 111,508 55,754 27,877 83,632 41,816 20,908 10,454 5,227 15,682 7,841 23,524 11,762

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