1,237,886

2 × 13 × 47 × 1013

Starting at 1,237,886, the Collatz iteration reaches 1 after 235 steps. The first transition is 618943; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 13 × 47 × 1013

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,044,224

Proper Divisor Sum 806,338

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #1237877 ← → #1237897

Radix Representation

Decimal	1237886
Binary	100101110001101111110 (21 bits)
Octal	0o4561576
Hexadecimal	0x12E37E

Divisor Catalog (16)

1 2 13 26 47 94 611 1,013 1,222 2,026 13,169 26,338 47,611 95,222 618,943 1,237,886

Collatz Trajectory (235 steps to reach 1)

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

1,237,886 618,943 1,856,830 928,415 2,785,246 1,392,623 4,177,870 2,088,935 6,266,806 3,133,403 9,400,210 4,700,105 14,100,316 7,050,158 3,525,079 10,575,238 5,287,619 15,862,858 7,931,429 23,794,288 11,897,144 5,948,572 2,974,286 1,487,143 4,461,430 2,230,715 6,692,146 3,346,073 10,038,220 5,019,110 2,509,555 7,528,666 3,764,333 11,293,000 5,646,500 2,823,250 1,411,625 4,234,876 2,117,438 1,058,719 3,176,158 1,588,079 4,764,238 2,382,119 7,146,358 3,573,179 10,719,538 5,359,769 16,079,308 8,039,654 4,019,827 12,059,482 6,029,741 18,089,224 9,044,612 4,522,306 2,261,153 6,783,460 3,391,730 1,695,865

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