1,808,710

2 × 5 × 180871

Starting at 1,808,710, the Collatz iteration reaches 1 after 140 steps. The first transition is 904355; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 180871

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 3,255,696

Proper Divisor Sum 1,446,986

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #1808707 ← → #1808713

Radix Representation

Decimal	1808710
Binary	110111001100101000110 (21 bits)
Octal	0o6714506
Hexadecimal	0x1B9946

Divisor Catalog (8)

1 2 5 10 180,871 361,742 904,355 1,808,710

Collatz Trajectory (140 steps to reach 1)

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

1,808,710 904,355 2,713,066 1,356,533 4,069,600 2,034,800 1,017,400 508,700 254,350 127,175 381,526 190,763 572,290 286,145 858,436 429,218 214,609 643,828 321,914 160,957 482,872 241,436 120,718 60,359 181,078 90,539 271,618 135,809 407,428 203,714 101,857 305,572 152,786 76,393 229,180 114,590 57,295 171,886 85,943 257,830 128,915 386,746 193,373 580,120 290,060 145,030 72,515 217,546 108,773 326,320 163,160 81,580 40,790 20,395 61,186 30,593 91,780 45,890 22,945 68,836

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