13² × 61 × 67

Prime Factor Structure

Factorization String 13^2 × 61 × 67

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 771,528

Proper Divisor Sum 80,825

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #690689 ← → #690719

1 13 61 67 169 793 871 4,087 10,309 11,323 53,131 690,703

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

690,703 2,072,110 1,036,055 3,108,166 1,554,083 4,662,250 2,331,125 6,993,376 3,496,688 1,748,344 874,172 437,086 218,543 655,630 327,815 983,446 491,723 1,475,170 737,585 2,212,756 1,106,378 553,189 1,659,568 829,784 414,892 207,446 103,723 311,170 155,585 466,756 233,378 116,689 350,068 175,034 87,517 262,552 131,276 65,638 32,819 98,458 49,229 147,688 73,844 36,922 18,461 55,384 27,692 13,846 6,923 20,770 10,385 31,156 15,578 7,789 23,368 11,684 5,842 2,921 8,764 4,382

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