1,571,696

2⁴ × 7 × 14033

Starting at 1,571,696, the Collatz iteration reaches 1 after 70 steps. The first transition is 785848; the starting value is even with 20 positive divisors.

Prime Factor Structure

Factorization String 2^4 × 7 × 14033

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 3,480,432

Proper Divisor Sum 1,908,736

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #1571683 ← → #1571707

Radix Representation

Decimal	1571696
Binary	101111111101101110000 (21 bits)
Octal	0o5775560
Hexadecimal	0x17FB70

Divisor Catalog (20)

1 2 4 7 8 14 16 28 56 112 14,033 28,066 56,132 98,231 112,264 196,462 224,528 392,924 785,848 1,571,696

Collatz Trajectory (70 steps to reach 1)

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

1,571,696 785,848 392,924 196,462 98,231 294,694 147,347 442,042 221,021 663,064 331,532 165,766 82,883 248,650 124,325 372,976 186,488 93,244 46,622 23,311 69,934 34,967 104,902 52,451 157,354 78,677 236,032 118,016 59,008 29,504 14,752 7,376 3,688 1,844 922 461 1,384 692 346 173 520 260 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52

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