1,564,899

3 × 7 × 43 × 1733

Starting at 1,564,899, the Collatz iteration reaches 1 after 163 steps. The first transition is 4694698; the starting value is odd with 16 positive divisors.

Prime Factor Structure

Factorization String 3 × 7 × 43 × 1733

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,441,472

Proper Divisor Sum 876,573

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #1564877 ← → #1564907

Radix Representation

Decimal	1564899
Binary	101111110000011100011 (21 bits)
Octal	0o5760343
Hexadecimal	0x17E0E3

Divisor Catalog (16)

1 3 7 21 43 129 301 903 1,733 5,199 12,131 36,393 74,519 223,557 521,633 1,564,899

Collatz Trajectory (163 steps to reach 1)

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

1,564,899 4,694,698 2,347,349 7,042,048 3,521,024 1,760,512 880,256 440,128 220,064 110,032 55,016 27,508 13,754 6,877 20,632 10,316 5,158 2,579 7,738 3,869 11,608 5,804 2,902 1,451 4,354 2,177 6,532 3,266 1,633 4,900 2,450 1,225 3,676 1,838 919 2,758 1,379 4,138 2,069 6,208 3,104 1,552 776 388 194 97 292 146 73 220 110 55 166 83 250 125 376 188 94 47

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