42,123,725

5² × 7 × 240707

Prime Factor Structure

Factorization String 5^2 × 7 × 240707

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 59,695,584

Proper Divisor Sum 17,571,859

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #42123721 ← → #42123727

1 5 7 25 35 175 240,707 1,203,535 1,684,949 6,017,675 8,424,745 42,123,725

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

42,123,725 126,371,176 63,185,588 31,592,794 15,796,397 47,389,192 23,694,596 11,847,298 5,923,649 17,770,948 8,885,474 4,442,737 13,328,212 6,664,106 3,332,053 9,996,160 4,998,080 2,499,040 1,249,520 624,760 312,380 156,190 78,095 234,286 117,143 351,430 175,715 527,146 263,573 790,720 395,360 197,680 98,840 49,420 24,710 12,355 37,066 18,533 55,600 27,800 13,900 6,950 3,475 10,426 5,213 15,640 7,820 3,910 1,955 5,866 2,933 8,800 4,400 2,200 1,100 550 275 826 413 1,240

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