λ
Harmonic Matrix

1,443,989

1443989
Deficient Odd Prime

1,443,989 has digital root 2. The neighboring primes are 1443977 and 1444007; its proper-divisor sum differs from the starting integer by -1,443,988.

Prime Factor Structure

Factorization String 1443989
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 1,443,990
Proper Divisor Sum 1
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #1443977 ← → #1444007

Radix Representation

Decimal 1443989
Binary 101100000100010010101 (21 bits)
Octal 0o5404225
Hexadecimal 0x160895

Divisor Catalog (2)

Collatz Trajectory (106 steps to reach 1)

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

1,443,989 4,331,968 2,165,984 1,082,992 541,496 270,748 135,374 67,687 203,062 101,531 304,594 152,297 456,892 228,446 114,223 342,670 171,335 514,006 257,003 771,010 385,505 1,156,516 578,258 289,129 867,388 433,694 216,847 650,542 325,271 975,814 487,907 1,463,722 731,861 2,195,584 1,097,792 548,896 274,448 137,224 68,612 34,306 17,153 51,460 25,730 12,865 38,596 19,298 9,649 28,948 14,474 7,237 21,712 10,856 5,428 2,714 1,357 4,072 2,036 1,018 509 1,528

More profiles

← Previous Integer #1,443,988 Browse Full Index Next Integer #1,443,990 →