1,927,689

3 × 642563

Starting at 1,927,689, the Collatz iteration reaches 1 after 122 steps. The first transition is 5783068; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 3 × 642563

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,570,256

Proper Divisor Sum 642,567

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #1927687 ← → #1927691

Radix Representation

Decimal	1927689
Binary	111010110101000001001 (21 bits)
Octal	0o7265011
Hexadecimal	0x1D6A09

Divisor Catalog (4)

1 3 642,563 1,927,689

Collatz Trajectory (122 steps to reach 1)

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

1,927,689 5,783,068 2,891,534 1,445,767 4,337,302 2,168,651 6,505,954 3,252,977 9,758,932 4,879,466 2,439,733 7,319,200 3,659,600 1,829,800 914,900 457,450 228,725 686,176 343,088 171,544 85,772 42,886 21,443 64,330 32,165 96,496 48,248 24,124 12,062 6,031 18,094 9,047 27,142 13,571 40,714 20,357 61,072 30,536 15,268 7,634 3,817 11,452 5,726 2,863 8,590 4,295 12,886 6,443 19,330 9,665 28,996 14,498 7,249 21,748 10,874 5,437 16,312 8,156 4,078 2,039

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