1,009,378

2 × 23 × 21943

Starting at 1,009,378, the Collatz iteration reaches 1 after 90 steps. The first transition is 504689; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 23 × 21943

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,579,968

Proper Divisor Sum 570,590

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1009373 ← → #1009387

Radix Representation

Decimal	1009378
Binary	11110110011011100010 (20 bits)
Octal	0o3663342
Hexadecimal	0xF66E2

Divisor Catalog (8)

1 2 23 46 21,943 43,886 504,689 1,009,378

Collatz Trajectory (90 steps to reach 1)

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

1,009,378 504,689 1,514,068 757,034 378,517 1,135,552 567,776 283,888 141,944 70,972 35,486 17,743 53,230 26,615 79,846 39,923 119,770 59,885 179,656 89,828 44,914 22,457 67,372 33,686 16,843 50,530 25,265 75,796 37,898 18,949 56,848 28,424 14,212 7,106 3,553 10,660 5,330 2,665 7,996 3,998 1,999 5,998 2,999 8,998 4,499 13,498 6,749 20,248 10,124 5,062 2,531 7,594 3,797 11,392 5,696 2,848 1,424 712 356 178

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