1,405,102

2 × 702551

Starting at 1,405,102, the Collatz iteration reaches 1 after 124 steps. The first transition is 702551; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 702551

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,107,656

Proper Divisor Sum 702,554

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #1405099 ← → #1405109

Radix Representation

Decimal	1405102
Binary	101010111000010101110 (21 bits)
Octal	0o5270256
Hexadecimal	0x1570AE

Divisor Catalog (4)

1 2 702,551 1,405,102

Collatz Trajectory (124 steps to reach 1)

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

1,405,102 702,551 2,107,654 1,053,827 3,161,482 1,580,741 4,742,224 2,371,112 1,185,556 592,778 296,389 889,168 444,584 222,292 111,146 55,573 166,720 83,360 41,680 20,840 10,420 5,210 2,605 7,816 3,908 1,954 977 2,932 1,466 733 2,200 1,100 550 275 826 413 1,240 620 310 155 466 233 700 350 175 526 263 790 395 1,186 593 1,780 890 445 1,336 668 334 167 502 251

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