1,708,720

2⁴ × 5 × 13 × 31 × 53

Prime Factor Structure

Factorization String 2^4 × 5 × 13 × 31 × 53

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 80

Divisor Sum (σ) 4,499,712

Proper Divisor Sum 2,790,992

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #1708717 ← → #1708741

1 2 4 5 8 10 13 16 20 26 31 40 52 53 62 65 80 104 106 124 130 155 208 212 248 260 265 310 403 424 496 520 530 620 689 806 848 1,040 1,060 1,240 1,378 1,612 1,643 2,015 2,120 2,480 2,756 3,224 3,286 3,445 4,030 4,240 5,512 6,448 6,572 6,890 8,060 8,215 11,024 13,144

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

1,708,720 854,360 427,180 213,590 106,795 320,386 160,193 480,580 240,290 120,145 360,436 180,218 90,109 270,328 135,164 67,582 33,791 101,374 50,687 152,062 76,031 228,094 114,047 342,142 171,071 513,214 256,607 769,822 384,911 1,154,734 577,367 1,732,102 866,051 2,598,154 1,299,077 3,897,232 1,948,616 974,308 487,154 243,577 730,732 365,366 182,683 548,050 274,025 822,076 411,038 205,519 616,558 308,279 924,838 462,419 1,387,258 693,629 2,080,888 1,040,444 520,222 260,111 780,334 390,167

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