2,990,126

2 × 1495063

Starting at 2,990,126, the Collatz iteration reaches 1 after 89 steps. The first transition is 1495063; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 1495063

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 4,485,192

Proper Divisor Sum 1,495,066

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #2990123 ← → #2990131

Radix Representation

Decimal	2990126
Binary	1011011010000000101110 (22 bits)
Octal	0o13320056
Hexadecimal	0x2DA02E

Divisor Catalog (4)

1 2 1,495,063 2,990,126

Collatz Trajectory (89 steps to reach 1)

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

2,990,126 1,495,063 4,485,190 2,242,595 6,727,786 3,363,893 10,091,680 5,045,840 2,522,920 1,261,460 630,730 315,365 946,096 473,048 236,524 118,262 59,131 177,394 88,697 266,092 133,046 66,523 199,570 99,785 299,356 149,678 74,839 224,518 112,259 336,778 168,389 505,168 252,584 126,292 63,146 31,573 94,720 47,360 23,680 11,840 5,920 2,960 1,480 740 370 185 556 278 139 418 209 628 314 157 472 236 118 59 178 89

← Previous Integer #2,990,125 Browse Full Index Next Integer #2,990,127 →