13,242,540

2² × 3 × 5 × 220709

Prime Factor Structure

Factorization String 2^2 × 3 × 5 × 220709

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 24

Divisor Sum (σ) 37,079,280

Proper Divisor Sum 23,836,740

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #13242529 ← → #13242547

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

13,242,540 6,621,270 3,310,635 9,931,906 4,965,953 14,897,860 7,448,930 3,724,465 11,173,396 5,586,698 2,793,349 8,380,048 4,190,024 2,095,012 1,047,506 523,753 1,571,260 785,630 392,815 1,178,446 589,223 1,767,670 883,835 2,651,506 1,325,753 3,977,260 1,988,630 994,315 2,982,946 1,491,473 4,474,420 2,237,210 1,118,605 3,355,816 1,677,908 838,954 419,477 1,258,432 629,216 314,608 157,304 78,652 39,326 19,663 58,990 29,495 88,486 44,243 132,730 66,365 199,096 99,548 49,774 24,887 74,662 37,331 111,994 55,997 167,992 83,996

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