1,391,343

3 × 463781

Starting at 1,391,343, the Collatz iteration reaches 1 after 212 steps. The first transition is 4174030; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 3 × 463781

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,855,128

Proper Divisor Sum 463,785

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #1391323 ← → #1391353

Radix Representation

Decimal	1391343
Binary	101010011101011101111 (21 bits)
Octal	0o5235357
Hexadecimal	0x153AEF

Divisor Catalog (4)

1 3 463,781 1,391,343

Collatz Trajectory (212 steps to reach 1)

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

1,391,343 4,174,030 2,087,015 6,261,046 3,130,523 9,391,570 4,695,785 14,087,356 7,043,678 3,521,839 10,565,518 5,282,759 15,848,278 7,924,139 23,772,418 11,886,209 35,658,628 17,829,314 8,914,657 26,743,972 13,371,986 6,685,993 20,057,980 10,028,990 5,014,495 15,043,486 7,521,743 22,565,230 11,282,615 33,847,846 16,923,923 50,771,770 25,385,885 76,157,656 38,078,828 19,039,414 9,519,707 28,559,122 14,279,561 42,838,684 21,419,342 10,709,671 32,129,014 16,064,507 48,193,522 24,096,761 72,290,284 36,145,142 18,072,571 54,217,714 27,108,857 81,326,572 40,663,286 20,331,643 60,994,930 30,497,465 91,492,396 45,746,198 22,873,099 68,619,298

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