1,139,725

5² × 45589

Starting at 1,139,725, the Collatz iteration reaches 1 after 222 steps. The first transition is 3419176; the starting value is odd with 6 positive divisors.

Prime Factor Structure

Factorization String 5^2 × 45589

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 1,413,290

Proper Divisor Sum 273,565

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1139717 ← → #1139741

Radix Representation

Decimal	1139725
Binary	100010110010000001101 (21 bits)
Octal	0o4262015
Hexadecimal	0x11640D

Divisor Catalog (6)

1 5 25 45,589 227,945 1,139,725

Collatz Trajectory (222 steps to reach 1)

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

1,139,725 3,419,176 1,709,588 854,794 427,397 1,282,192 641,096 320,548 160,274 80,137 240,412 120,206 60,103 180,310 90,155 270,466 135,233 405,700 202,850 101,425 304,276 152,138 76,069 228,208 114,104 57,052 28,526 14,263 42,790 21,395 64,186 32,093 96,280 48,140 24,070 12,035 36,106 18,053 54,160 27,080 13,540 6,770 3,385 10,156 5,078 2,539 7,618 3,809 11,428 5,714 2,857 8,572 4,286 2,143 6,430 3,215 9,646 4,823 14,470 7,235

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