λ
Sequence Observatory

2,723,100

22 × 3 × 52 × 29 × 313
Abundant Even Composite

Starting at 2,723,100, the Collatz iteration reaches 1 after 169 steps. The first transition is 1361550; the starting value is even with 72 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 3 × 5^2 × 29 × 313
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 72
Divisor Sum (σ) 8,176,560
Proper Divisor Sum 5,453,460
Digit Sum / Digital Root 15 (Root: 6)
Adjacent Primes #2723069 ← → #2723107

Radix Representation

Decimal 2723100
Binary 1010011000110100011100 (22 bits)
Octal 0o12306434
Hexadecimal 0x298D1C

Divisor Catalog (60 of 72)

1 2 3 4 5 6 10 12 15 20 25 29 30 50 58 60 75 87 100 116 145 150 174 290 300 313 348 435 580 626 725 870 939 1,252 1,450 1,565 1,740 1,878 2,175 2,900 3,130 3,756 4,350 4,695 6,260 7,825 8,700 9,077 9,390 15,650 18,154 18,780 23,475 27,231 31,300 36,308 45,385 46,950 54,462 90,770

Collatz Trajectory (169 steps to reach 1)

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

2,723,100 1,361,550 680,775 2,042,326 1,021,163 3,063,490 1,531,745 4,595,236 2,297,618 1,148,809 3,446,428 1,723,214 861,607 2,584,822 1,292,411 3,877,234 1,938,617 5,815,852 2,907,926 1,453,963 4,361,890 2,180,945 6,542,836 3,271,418 1,635,709 4,907,128 2,453,564 1,226,782 613,391 1,840,174 920,087 2,760,262 1,380,131 4,140,394 2,070,197 6,210,592 3,105,296 1,552,648 776,324 388,162 194,081 582,244 291,122 145,561 436,684 218,342 109,171 327,514 163,757 491,272 245,636 122,818 61,409 184,228 92,114 46,057 138,172 69,086 34,543 103,630

More profiles

← Previous Integer #2,723,099 Browse Full Index Next Integer #2,723,101 →