5,241,215

5 × 7 × 149749

Starting at 5,241,215, the Collatz iteration reaches 1 after 175 steps. The first transition is 15723646; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 7 × 149749

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 7,188,000

Proper Divisor Sum 1,946,785

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #5241167 ← → #5241239

Radix Representation

Decimal	5241215
Binary	10011111111100101111111 (23 bits)
Octal	0o23774577
Hexadecimal	0x4FF97F

Divisor Catalog (8)

1 5 7 35 149,749 748,745 1,048,243 5,241,215

Collatz Trajectory (175 steps to reach 1)

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

5,241,215 15,723,646 7,861,823 23,585,470 11,792,735 35,378,206 17,689,103 53,067,310 26,533,655 79,600,966 39,800,483 119,401,450 59,700,725 179,102,176 89,551,088 44,775,544 22,387,772 11,193,886 5,596,943 16,790,830 8,395,415 25,186,246 12,593,123 37,779,370 18,889,685 56,669,056 28,334,528 14,167,264 7,083,632 3,541,816 1,770,908 885,454 442,727 1,328,182 664,091 1,992,274 996,137 2,988,412 1,494,206 747,103 2,241,310 1,120,655 3,361,966 1,680,983 5,042,950 2,521,475 7,564,426 3,782,213 11,346,640 5,673,320 2,836,660 1,418,330 709,165 2,127,496 1,063,748 531,874 265,937 797,812 398,906 199,453

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