1,254,670

2 × 5 × 37 × 3391

Starting at 1,254,670, the Collatz iteration reaches 1 after 85 steps. The first transition is 627335; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 37 × 3391

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,320,128

Proper Divisor Sum 1,065,458

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #1254667 ← → #1254683

Radix Representation

Decimal	1254670
Binary	100110010010100001110 (21 bits)
Octal	0o4622416
Hexadecimal	0x13250E

Divisor Catalog (16)

1 2 5 10 37 74 185 370 3,391 6,782 16,955 33,910 125,467 250,934 627,335 1,254,670

Collatz Trajectory (85 steps to reach 1)

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

1,254,670 627,335 1,882,006 941,003 2,823,010 1,411,505 4,234,516 2,117,258 1,058,629 3,175,888 1,587,944 793,972 396,986 198,493 595,480 297,740 148,870 74,435 223,306 111,653 334,960 167,480 83,740 41,870 20,935 62,806 31,403 94,210 47,105 141,316 70,658 35,329 105,988 52,994 26,497 79,492 39,746 19,873 59,620 29,810 14,905 44,716 22,358 11,179 33,538 16,769 50,308 25,154 12,577 37,732 18,866 9,433 28,300 14,150 7,075 21,226 10,613 31,840 15,920 7,960

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