3 × 7 × 19 × 73

Prime Factor Structure

Factorization String 3 × 7 × 19 × 73

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 47,360

Proper Divisor Sum 18,233

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #29123 ← → #29129

1 3 7 19 21 57 73 133 219 399 511 1,387 1,533 4,161 9,709 29,127

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

29,127 87,382 43,691 131,074 65,537 196,612 98,306 49,153 147,460 73,730 36,865 110,596 55,298 27,649 82,948 41,474 20,737 62,212 31,106 15,553 46,660 23,330 11,665 34,996 17,498 8,749 26,248 13,124 6,562 3,281 9,844 4,922 2,461 7,384 3,692 1,846 923 2,770 1,385 4,156 2,078 1,039 3,118 1,559 4,678 2,339 7,018 3,509 10,528 5,264 2,632 1,316 658 329 988 494 247 742 371 1,114

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