3 × 5 × 13 × 1097

Prime Factor Structure

Factorization String 3 × 5 × 13 × 1097

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 368,928

Proper Divisor Sum 155,013

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #213901 ← → #213919

1 3 5 13 15 39 65 195 1,097 3,291 5,485 14,261 16,455 42,783 71,305 213,915

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

213,915 641,746 320,873 962,620 481,310 240,655 721,966 360,983 1,082,950 541,475 1,624,426 812,213 2,436,640 1,218,320 609,160 304,580 152,290 76,145 228,436 114,218 57,109 171,328 85,664 42,832 21,416 10,708 5,354 2,677 8,032 4,016 2,008 1,004 502 251 754 377 1,132 566 283 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367

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