1,727,267

43 × 40169

Starting at 1,727,267, the Collatz iteration reaches 1 after 189 steps. The first transition is 5181802; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 43 × 40169

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,767,480

Proper Divisor Sum 40,213

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #1727263 ← → #1727273

Radix Representation

Decimal	1727267
Binary	110100101101100100011 (21 bits)
Octal	0o6455443
Hexadecimal	0x1A5B23

Divisor Catalog (4)

1 43 40,169 1,727,267

Collatz Trajectory (189 steps to reach 1)

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

1,727,267 5,181,802 2,590,901 7,772,704 3,886,352 1,943,176 971,588 485,794 242,897 728,692 364,346 182,173 546,520 273,260 136,630 68,315 204,946 102,473 307,420 153,710 76,855 230,566 115,283 345,850 172,925 518,776 259,388 129,694 64,847 194,542 97,271 291,814 145,907 437,722 218,861 656,584 328,292 164,146 82,073 246,220 123,110 61,555 184,666 92,333 277,000 138,500 69,250 34,625 103,876 51,938 25,969 77,908 38,954 19,477 58,432 29,216 14,608 7,304 3,652 1,826

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