λ
Sequence Observatory

7,247,353

47 × 271 × 569
Deficient Odd Composite

Starting at 7,247,353, the Collatz iteration reaches 1 after 147 steps. The first transition is 21742060; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 47 × 271 × 569
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 7,441,920
Proper Divisor Sum 194,567
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #7247351 ← → #7247363

Radix Representation

Decimal 7247353
Binary 11011101001010111111001 (23 bits)
Octal 0o33512771
Hexadecimal 0x6E95F9

Divisor Catalog (8)

1 47 271 569 12,737 26,743 154,199 7,247,353

Collatz Trajectory (147 steps to reach 1)

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

7,247,353 21,742,060 10,871,030 5,435,515 16,306,546 8,153,273 24,459,820 12,229,910 6,114,955 18,344,866 9,172,433 27,517,300 13,758,650 6,879,325 20,637,976 10,318,988 5,159,494 2,579,747 7,739,242 3,869,621 11,608,864 5,804,432 2,902,216 1,451,108 725,554 362,777 1,088,332 544,166 272,083 816,250 408,125 1,224,376 612,188 306,094 153,047 459,142 229,571 688,714 344,357 1,033,072 516,536 258,268 129,134 64,567 193,702 96,851 290,554 145,277 435,832 217,916 108,958 54,479 163,438 81,719 245,158 122,579 367,738 183,869 551,608 275,804

More profiles

← Previous Integer #7,247,352 Browse Full Index Next Integer #7,247,354 →