2² × 5 × 7 × 53²

Prime Factor Structure

Factorization String 2^2 × 5 × 7 × 53^2

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 961,968

Proper Divisor Sum 568,708

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #393257 ← → #393271

1 2 4 5 7 10 14 20 28 35 53 70 106 140 212 265 371 530 742 1,060 1,484 1,855 2,809 3,710 5,618 7,420 11,236 14,045 19,663 28,090 39,326 56,180 78,652 98,315 196,630 393,260

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

393,260 196,630 98,315 294,946 147,473 442,420 221,210 110,605 331,816 165,908 82,954 41,477 124,432 62,216 31,108 15,554 7,777 23,332 11,666 5,833 17,500 8,750 4,375 13,126 6,563 19,690 9,845 29,536 14,768 7,384 3,692 1,846 923 2,770 1,385 4,156 2,078 1,039 3,118 1,559 4,678 2,339 7,018 3,509 10,528 5,264 2,632 1,316 658 329 988 494 247 742 371 1,114 557 1,672 836 418

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