2,405,489

59 × 40771

Starting at 2,405,489, the Collatz iteration reaches 1 after 117 steps. The first transition is 7216468; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 59 × 40771

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,446,320

Proper Divisor Sum 40,831

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #2405461 ← → #2405497

Radix Representation

Decimal	2405489
Binary	1001001011010001110001 (22 bits)
Octal	0o11132161
Hexadecimal	0x24B471

Divisor Catalog (4)

1 59 40,771 2,405,489

Collatz Trajectory (117 steps to reach 1)

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

2,405,489 7,216,468 3,608,234 1,804,117 5,412,352 2,706,176 1,353,088 676,544 338,272 169,136 84,568 42,284 21,142 10,571 31,714 15,857 47,572 23,786 11,893 35,680 17,840 8,920 4,460 2,230 1,115 3,346 1,673 5,020 2,510 1,255 3,766 1,883 5,650 2,825 8,476 4,238 2,119 6,358 3,179 9,538 4,769 14,308 7,154 3,577 10,732 5,366 2,683 8,050 4,025 12,076 6,038 3,019 9,058 4,529 13,588 6,794 3,397 10,192 5,096 2,548

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