1,306,263

3 × 7 × 17 × 3659

Prime Factor Structure

Factorization String 3 × 7 × 17 × 3659

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 2,108,160

Proper Divisor Sum 801,897

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #1306259 ← → #1306267

1 3 7 17 21 51 119 357 3,659 10,977 25,613 62,203 76,839 186,609 435,421 1,306,263

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

1,306,263 3,918,790 1,959,395 5,878,186 2,939,093 8,817,280 4,408,640 2,204,320 1,102,160 551,080 275,540 137,770 68,885 206,656 103,328 51,664 25,832 12,916 6,458 3,229 9,688 4,844 2,422 1,211 3,634 1,817 5,452 2,726 1,363 4,090 2,045 6,136 3,068 1,534 767 2,302 1,151 3,454 1,727 5,182 2,591 7,774 3,887 11,662 5,831 17,494 8,747 26,242 13,121 39,364 19,682 9,841 29,524 14,762 7,381 22,144 11,072 5,536 2,768 1,384

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