1,521,273

3 × 13 × 19 × 2053

Prime Factor Structure

Factorization String 3 × 13 × 19 × 2053

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 2,300,480

Proper Divisor Sum 779,207

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #1521269 ← → #1521281

1 3 13 19 39 57 247 741 2,053 6,159 26,689 39,007 80,067 117,021 507,091 1,521,273

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

1,521,273 4,563,820 2,281,910 1,140,955 3,422,866 1,711,433 5,134,300 2,567,150 1,283,575 3,850,726 1,925,363 5,776,090 2,888,045 8,664,136 4,332,068 2,166,034 1,083,017 3,249,052 1,624,526 812,263 2,436,790 1,218,395 3,655,186 1,827,593 5,482,780 2,741,390 1,370,695 4,112,086 2,056,043 6,168,130 3,084,065 9,252,196 4,626,098 2,313,049 6,939,148 3,469,574 1,734,787 5,204,362 2,602,181 7,806,544 3,903,272 1,951,636 975,818 487,909 1,463,728 731,864 365,932 182,966 91,483 274,450 137,225 411,676 205,838 102,919 308,758 154,379 463,138 231,569 694,708 347,354

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