1,573,219

19 × 31 × 2671

Starting at 1,573,219, the Collatz iteration reaches 1 after 101 steps. The first transition is 4719658; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 19 × 31 × 2671

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,710,080

Proper Divisor Sum 136,861

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1573217 ← → #1573237

Radix Representation

Decimal	1573219
Binary	110000000000101100011 (21 bits)
Octal	0o6000543
Hexadecimal	0x180163

Divisor Catalog (8)

1 19 31 589 2,671 50,749 82,801 1,573,219

Collatz Trajectory (101 steps to reach 1)

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

1,573,219 4,719,658 2,359,829 7,079,488 3,539,744 1,769,872 884,936 442,468 221,234 110,617 331,852 165,926 82,963 248,890 124,445 373,336 186,668 93,334 46,667 140,002 70,001 210,004 105,002 52,501 157,504 78,752 39,376 19,688 9,844 4,922 2,461 7,384 3,692 1,846 923 2,770 1,385 4,156 2,078 1,039 3,118 1,559 4,678 2,339 7,018 3,509 10,528 5,264 2,632 1,316 658 329 988 494 247 742 371 1,114 557 1,672

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