3 × 7 × 9871

Prime Factor Structure

Factorization String 3 × 7 × 9871

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 315,904

Proper Divisor Sum 108,613

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #207287 ← → #207293

1 3 7 21 9,871 29,613 69,097 207,291

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

207,291 621,874 310,937 932,812 466,406 233,203 699,610 349,805 1,049,416 524,708 262,354 131,177 393,532 196,766 98,383 295,150 147,575 442,726 221,363 664,090 332,045 996,136 498,068 249,034 124,517 373,552 186,776 93,388 46,694 23,347 70,042 35,021 105,064 52,532 26,266 13,133 39,400 19,700 9,850 4,925 14,776 7,388 3,694 1,847 5,542 2,771 8,314 4,157 12,472 6,236 3,118 1,559 4,678 2,339 7,018 3,509 10,528 5,264 2,632 1,316

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