1,249,783

887 × 1409

Starting at 1,249,783, the Collatz iteration reaches 1 after 111 steps. The first transition is 3749350; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 887 × 1409

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,252,080

Proper Divisor Sum 2,297

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #1249757 ← → #1249799

Radix Representation

Decimal	1249783
Binary	100110001000111110111 (21 bits)
Octal	0o4610767
Hexadecimal	0x1311F7

Divisor Catalog (4)

1 887 1,409 1,249,783

Collatz Trajectory (111 steps to reach 1)

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

1,249,783 3,749,350 1,874,675 5,624,026 2,812,013 8,436,040 4,218,020 2,109,010 1,054,505 3,163,516 1,581,758 790,879 2,372,638 1,186,319 3,558,958 1,779,479 5,338,438 2,669,219 8,007,658 4,003,829 12,011,488 6,005,744 3,002,872 1,501,436 750,718 375,359 1,126,078 563,039 1,689,118 844,559 2,533,678 1,266,839 3,800,518 1,900,259 5,700,778 2,850,389 8,551,168 4,275,584 2,137,792 1,068,896 534,448 267,224 133,612 66,806 33,403 100,210 50,105 150,316 75,158 37,579 112,738 56,369 169,108 84,554 42,277 126,832 63,416 31,708 15,854 7,927

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