1,227,206

2 × 311 × 1973

1,227,206 has digital root 2. The neighboring primes are 1227181 and 1227241; its proper-divisor sum differs from the starting integer by -606,748.

Prime Factor Structure

Factorization String 2 × 311 × 1973

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,847,664

Proper Divisor Sum 620,458

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #1227181 ← → #1227241

Radix Representation

Decimal	1227206
Binary	100101011100111000110 (21 bits)
Octal	0o4534706
Hexadecimal	0x12B9C6

Divisor Catalog (8)

1 2 311 622 1,973 3,946 613,603 1,227,206

Collatz Trajectory (80 steps to reach 1)

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

1,227,206 613,603 1,840,810 920,405 2,761,216 1,380,608 690,304 345,152 172,576 86,288 43,144 21,572 10,786 5,393 16,180 8,090 4,045 12,136 6,068 3,034 1,517 4,552 2,276 1,138 569 1,708 854 427 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376 688 344 172 86 43 130 65 196 98 49 148 74 37

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