2 × 3² × 7 × 23 × 73

Prime Factor Structure

Factorization String 2 × 3^2 × 7 × 23 × 73

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 554,112

Proper Divisor Sum 342,558

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #211543 ← → #211559

1 2 3 6 7 9 14 18 21 23 42 46 63 69 73 126 138 146 161 207 219 322 414 438 483 511 657 966 1,022 1,314 1,449 1,533 1,679 2,898 3,066 3,358 4,599 5,037 9,198 10,074 11,753 15,111 23,506 30,222 35,259 70,518 105,777 211,554

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

211,554 105,777 317,332 158,666 79,333 238,000 119,000 59,500 29,750 14,875 44,626 22,313 66,940 33,470 16,735 50,206 25,103 75,310 37,655 112,966 56,483 169,450 84,725 254,176 127,088 63,544 31,772 15,886 7,943 23,830 11,915 35,746 17,873 53,620 26,810 13,405 40,216 20,108 10,054 5,027 15,082 7,541 22,624 11,312 5,656 2,828 1,414 707 2,122 1,061 3,184 1,592 796 398 199 598 299 898 449 1,348

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