2⁵ × 3 × 5 × 139

Prime Factor Structure

Factorization String 2^5 × 3 × 5 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 211,680

Proper Divisor Sum 144,960

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #66713 ← → #66721

1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 139 160 240 278 417 480 556 695 834 1,112 1,390 1,668 2,085 2,224 2,780 3,336 4,170 4,448 5,560 6,672 8,340 11,120 13,344 16,680 22,240 33,360 66,720

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

66,720 33,360 16,680 8,340 4,170 2,085 6,256 3,128 1,564 782 391 1,174 587 1,762 881 2,644 1,322 661 1,984 992 496 248 124 62 31 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310 155 466 233 700 350 175 526 263 790 395 1,186 593 1,780 890 445

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