1,252,130

2 × 5 × 11 × 11383

Starting at 1,252,130, the Collatz iteration reaches 1 after 85 steps. The first transition is 626065; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 11 × 11383

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,458,944

Proper Divisor Sum 1,206,814

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #1252129 ← → #1252151

Radix Representation

Decimal	1252130
Binary	100110001101100100010 (21 bits)
Octal	0o4615442
Hexadecimal	0x131B22

Divisor Catalog (16)

1 2 5 10 11 22 55 110 11,383 22,766 56,915 113,830 125,213 250,426 626,065 1,252,130

Collatz Trajectory (85 steps to reach 1)

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

1,252,130 626,065 1,878,196 939,098 469,549 1,408,648 704,324 352,162 176,081 528,244 264,122 132,061 396,184 198,092 99,046 49,523 148,570 74,285 222,856 111,428 55,714 27,857 83,572 41,786 20,893 62,680 31,340 15,670 7,835 23,506 11,753 35,260 17,630 8,815 26,446 13,223 39,670 19,835 59,506 29,753 89,260 44,630 22,315 66,946 33,473 100,420 50,210 25,105 75,316 37,658 18,829 56,488 28,244 14,122 7,061 21,184 10,592 5,296 2,648 1,324

← Previous Integer #1,252,129 Browse Full Index Next Integer #1,252,131 →