1,863,160

2³ × 5 × 13 × 3583

Starting at 1,863,160, the Collatz iteration reaches 1 after 171 steps. The first transition is 931580; the starting value is even with 32 positive divisors.

Prime Factor Structure

Factorization String 2^3 × 5 × 13 × 3583

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 4,515,840

Proper Divisor Sum 2,652,680

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #1863157 ← → #1863181

Radix Representation

Decimal	1863160
Binary	111000110110111111000 (21 bits)
Octal	0o7066770
Hexadecimal	0x1C6DF8

Divisor Catalog (32)

1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 3,583 7,166 14,332 17,915 28,664 35,830 46,579 71,660 93,158 143,320 186,316 232,895 372,632 465,790 931,580 1,863,160

Collatz Trajectory (171 steps to reach 1)

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

1,863,160 931,580 465,790 232,895 698,686 349,343 1,048,030 524,015 1,572,046 786,023 2,358,070 1,179,035 3,537,106 1,768,553 5,305,660 2,652,830 1,326,415 3,979,246 1,989,623 5,968,870 2,984,435 8,953,306 4,476,653 13,429,960 6,714,980 3,357,490 1,678,745 5,036,236 2,518,118 1,259,059 3,777,178 1,888,589 5,665,768 2,832,884 1,416,442 708,221 2,124,664 1,062,332 531,166 265,583 796,750 398,375 1,195,126 597,563 1,792,690 896,345 2,689,036 1,344,518 672,259 2,016,778 1,008,389 3,025,168 1,512,584 756,292 378,146 189,073 567,220 283,610 141,805 425,416

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