2⁷ × 7 × 13 × 19

Prime Factor Structure

Factorization String 2^7 × 7 × 13 × 19

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 64

Divisor Sum (σ) 571,200

Proper Divisor Sum 349,888

Digit Sum / Digital Root 11 (Root: 2)

Adjacent Primes #221311 ← → #221317

1 2 4 7 8 13 14 16 19 26 28 32 38 52 56 64 76 91 104 112 128 133 152 182 208 224 247 266 304 364 416 448 494 532 608 728 832 896 988 1,064 1,216 1,456 1,664 1,729 1,976 2,128 2,432 2,912 3,458 3,952 4,256 5,824 6,916 7,904 8,512 11,648 13,832 15,808 17,024 27,664

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

221,312 110,656 55,328 27,664 13,832 6,916 3,458 1,729 5,188 2,594 1,297 3,892 1,946 973 2,920 1,460 730 365 1,096 548 274 137 412 206 103 310 155 466 233 700 350 175 526 263 790 395 1,186 593 1,780 890 445 1,336 668 334 167 502 251 754 377 1,132 566 283 850 425 1,276 638 319 958 479 1,438

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