1,530,137

7 × 218591

Starting at 1,530,137, the Collatz iteration reaches 1 after 181 steps. The first transition is 4590412; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 7 × 218591

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,748,736

Proper Divisor Sum 218,599

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #1530131 ← → #1530143

Radix Representation

Decimal	1530137
Binary	101110101100100011001 (21 bits)
Octal	0o5654431
Hexadecimal	0x175919

Divisor Catalog (4)

1 7 218,591 1,530,137

Collatz Trajectory (181 steps to reach 1)

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

1,530,137 4,590,412 2,295,206 1,147,603 3,442,810 1,721,405 5,164,216 2,582,108 1,291,054 645,527 1,936,582 968,291 2,904,874 1,452,437 4,357,312 2,178,656 1,089,328 544,664 272,332 136,166 68,083 204,250 102,125 306,376 153,188 76,594 38,297 114,892 57,446 28,723 86,170 43,085 129,256 64,628 32,314 16,157 48,472 24,236 12,118 6,059 18,178 9,089 27,268 13,634 6,817 20,452 10,226 5,113 15,340 7,670 3,835 11,506 5,753 17,260 8,630 4,315 12,946 6,473 19,420 9,710

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