1,717,295

5 × 23 × 109 × 137

Starting at 1,717,295, the Collatz iteration reaches 1 after 189 steps. The first transition is 5151886; the starting value is odd with 16 positive divisors.

Prime Factor Structure

Factorization String 5 × 23 × 109 × 137

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,185,920

Proper Divisor Sum 468,625

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #1717283 ← → #1717297

Radix Representation

Decimal	1717295
Binary	110100011010000101111 (21 bits)
Octal	0o6432057
Hexadecimal	0x1A342F

Divisor Catalog (16)

1 5 23 109 115 137 545 685 2,507 3,151 12,535 14,933 15,755 74,665 343,459 1,717,295

Collatz Trajectory (189 steps to reach 1)

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

1,717,295 5,151,886 2,575,943 7,727,830 3,863,915 11,591,746 5,795,873 17,387,620 8,693,810 4,346,905 13,040,716 6,520,358 3,260,179 9,780,538 4,890,269 14,670,808 7,335,404 3,667,702 1,833,851 5,501,554 2,750,777 8,252,332 4,126,166 2,063,083 6,189,250 3,094,625 9,283,876 4,641,938 2,320,969 6,962,908 3,481,454 1,740,727 5,222,182 2,611,091 7,833,274 3,916,637 11,749,912 5,874,956 2,937,478 1,468,739 4,406,218 2,203,109 6,609,328 3,304,664 1,652,332 826,166 413,083 1,239,250 619,625 1,858,876 929,438 464,719 1,394,158 697,079 2,091,238 1,045,619 3,136,858 1,568,429 4,705,288 2,352,644

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