1,607,771

11 × 146161

Starting at 1,607,771, the Collatz iteration reaches 1 after 145 steps. The first transition is 4823314; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 11 × 146161

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,753,944

Proper Divisor Sum 146,173

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #1607747 ← → #1607773

Radix Representation

Decimal	1607771
Binary	110001000100001011011 (21 bits)
Octal	0o6104133
Hexadecimal	0x18885B

Divisor Catalog (4)

1 11 146,161 1,607,771

Collatz Trajectory (145 steps to reach 1)

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

1,607,771 4,823,314 2,411,657 7,234,972 3,617,486 1,808,743 5,426,230 2,713,115 8,139,346 4,069,673 12,209,020 6,104,510 3,052,255 9,156,766 4,578,383 13,735,150 6,867,575 20,602,726 10,301,363 30,904,090 15,452,045 46,356,136 23,178,068 11,589,034 5,794,517 17,383,552 8,691,776 4,345,888 2,172,944 1,086,472 543,236 271,618 135,809 407,428 203,714 101,857 305,572 152,786 76,393 229,180 114,590 57,295 171,886 85,943 257,830 128,915 386,746 193,373 580,120 290,060 145,030 72,515 217,546 108,773 326,320 163,160 81,580 40,790 20,395 61,186

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