2² × 13 × 12373

Prime Factor Structure

Factorization String 2^2 × 13 × 12373

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,212,652

Proper Divisor Sum 569,256

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #643373 ← → #643403

1 2 4 13 26 52 12,373 24,746 49,492 160,849 321,698 643,396

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

643,396 321,698 160,849 482,548 241,274 120,637 361,912 180,956 90,478 45,239 135,718 67,859 203,578 101,789 305,368 152,684 76,342 38,171 114,514 57,257 171,772 85,886 42,943 128,830 64,415 193,246 96,623 289,870 144,935 434,806 217,403 652,210 326,105 978,316 489,158 244,579 733,738 366,869 1,100,608 550,304 275,152 137,576 68,788 34,394 17,197 51,592 25,796 12,898 6,449 19,348 9,674 4,837 14,512 7,256 3,628 1,814 907 2,722 1,361 4,084

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