5,549,140

2² × 5 × 17 × 19 × 859

Starting at 5,549,140, the Collatz iteration reaches 1 after 82 steps. The first transition is 2774570; the starting value is even with 48 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 5 × 17 × 19 × 859

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 13,003,200

Proper Divisor Sum 7,454,060

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #5549129 ← → #5549143

Radix Representation

Decimal	5549140
Binary	10101001010110001010100 (23 bits)
Octal	0o25126124
Hexadecimal	0x54AC54

Divisor Catalog (48)

1 2 4 5 10 17 19 20 34 38 68 76 85 95 170 190 323 340 380 646 859 1,292 1,615 1,718 3,230 3,436 4,295 6,460 8,590 14,603 16,321 17,180 29,206 32,642 58,412 65,284 73,015 81,605 146,030 163,210 277,457 292,060 326,420 554,914 1,109,828 1,387,285 2,774,570 5,549,140

Collatz Trajectory (82 steps to reach 1)

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

5,549,140 2,774,570 1,387,285 4,161,856 2,080,928 1,040,464 520,232 260,116 130,058 65,029 195,088 97,544 48,772 24,386 12,193 36,580 18,290 9,145 27,436 13,718 6,859 20,578 10,289 30,868 15,434 7,717 23,152 11,576 5,788 2,894 1,447 4,342 2,171 6,514 3,257 9,772 4,886 2,443 7,330 3,665 10,996 5,498 2,749 8,248 4,124 2,062 1,031 3,094 1,547 4,642 2,321 6,964 3,482 1,741 5,224 2,612 1,306 653 1,960 980

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