2,178,371

13 × 41 × 61 × 67

Prime Factor Structure

Factorization String 13 × 41 × 61 × 67

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 2,479,008

Proper Divisor Sum 300,637

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #2178367 ← → #2178373

1 13 41 61 67 533 793 871 2,501 2,747 4,087 32,513 35,711 53,131 167,567 2,178,371

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

2,178,371 6,535,114 3,267,557 9,802,672 4,901,336 2,450,668 1,225,334 612,667 1,838,002 919,001 2,757,004 1,378,502 689,251 2,067,754 1,033,877 3,101,632 1,550,816 775,408 387,704 193,852 96,926 48,463 145,390 72,695 218,086 109,043 327,130 163,565 490,696 245,348 122,674 61,337 184,012 92,006 46,003 138,010 69,005 207,016 103,508 51,754 25,877 77,632 38,816 19,408 9,704 4,852 2,426 1,213 3,640 1,820 910 455 1,366 683 2,050 1,025 3,076 1,538 769 2,308

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