439,987

71 × 6197

Starting at 439,987, the Collatz iteration reaches 1 after 94 steps. The first transition is 1319962; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 71 × 6197

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 446,256

Proper Divisor Sum 6,269

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #439981 ← → #439991

Radix Representation

Decimal	439987
Binary	1101011011010110011 (19 bits)
Octal	0o1533263
Hexadecimal	0x6B6B3

Divisor Catalog (4)

1 71 6,197 439,987

Collatz Trajectory (94 steps to reach 1)

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

439,987 1,319,962 659,981 1,979,944 989,972 494,986 247,493 742,480 371,240 185,620 92,810 46,405 139,216 69,608 34,804 17,402 8,701 26,104 13,052 6,526 3,263 9,790 4,895 14,686 7,343 22,030 11,015 33,046 16,523 49,570 24,785 74,356 37,178 18,589 55,768 27,884 13,942 6,971 20,914 10,457 31,372 15,686 7,843 23,530 11,765 35,296 17,648 8,824 4,412 2,206 1,103 3,310 1,655 4,966 2,483 7,450 3,725 11,176 5,588 2,794

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