1,219,076

2² × 37 × 8237

Starting at 1,219,076, the Collatz iteration reaches 1 after 142 steps. The first transition is 609538; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 37 × 8237

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 2,191,308

Proper Divisor Sum 972,232

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #1219061 ← → #1219081

Radix Representation

Decimal	1219076
Binary	100101001101000000100 (21 bits)
Octal	0o4515004
Hexadecimal	0x129A04

Divisor Catalog (12)

1 2 4 37 74 148 8,237 16,474 32,948 304,769 609,538 1,219,076

Collatz Trajectory (142 steps to reach 1)

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

1,219,076 609,538 304,769 914,308 457,154 228,577 685,732 342,866 171,433 514,300 257,150 128,575 385,726 192,863 578,590 289,295 867,886 433,943 1,301,830 650,915 1,952,746 976,373 2,929,120 1,464,560 732,280 366,140 183,070 91,535 274,606 137,303 411,910 205,955 617,866 308,933 926,800 463,400 231,700 115,850 57,925 173,776 86,888 43,444 21,722 10,861 32,584 16,292 8,146 4,073 12,220 6,110 3,055 9,166 4,583 13,750 6,875 20,626 10,313 30,940 15,470 7,735

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