1,421,385

3 × 5 × 7 × 13537

Prime Factor Structure

Factorization String 3 × 5 × 7 × 13537

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 2,599,296

Proper Divisor Sum 1,177,911

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #1421351 ← → #1421389

1 3 5 7 15 21 35 105 13,537 40,611 67,685 94,759 203,055 284,277 473,795 1,421,385

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

1,421,385 4,264,156 2,132,078 1,066,039 3,198,118 1,599,059 4,797,178 2,398,589 7,195,768 3,597,884 1,798,942 899,471 2,698,414 1,349,207 4,047,622 2,023,811 6,071,434 3,035,717 9,107,152 4,553,576 2,276,788 1,138,394 569,197 1,707,592 853,796 426,898 213,449 640,348 320,174 160,087 480,262 240,131 720,394 360,197 1,080,592 540,296 270,148 135,074 67,537 202,612 101,306 50,653 151,960 75,980 37,990 18,995 56,986 28,493 85,480 42,740 21,370 10,685 32,056 16,028 8,014 4,007 12,022 6,011 18,034 9,017

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