1,598,195

5 × 319639

Starting at 1,598,195, the Collatz iteration reaches 1 after 93 steps. The first transition is 4794586; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 319639

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,917,840

Proper Divisor Sum 319,645

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #1598183 ← → #1598197

Radix Representation

Decimal	1598195
Binary	110000110001011110011 (21 bits)
Octal	0o6061363
Hexadecimal	0x1862F3

Divisor Catalog (4)

1 5 319,639 1,598,195

Collatz Trajectory (93 steps to reach 1)

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

1,598,195 4,794,586 2,397,293 7,191,880 3,595,940 1,797,970 898,985 2,696,956 1,348,478 674,239 2,022,718 1,011,359 3,034,078 1,517,039 4,551,118 2,275,559 6,826,678 3,413,339 10,240,018 5,120,009 15,360,028 7,680,014 3,840,007 11,520,022 5,760,011 17,280,034 8,640,017 25,920,052 12,960,026 6,480,013 19,440,040 9,720,020 4,860,010 2,430,005 7,290,016 3,645,008 1,822,504 911,252 455,626 227,813 683,440 341,720 170,860 85,430 42,715 128,146 64,073 192,220 96,110 48,055 144,166 72,083 216,250 108,125 324,376 162,188 81,094 40,547 121,642 60,821

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