Integer Profile

1,999,990

2 × 5 × 199999

Prime factors, divisor sums, positional representations and sequence properties for 1,999,990. The prime factorization is 2 × 5 × 199999.

Number of positive divisors: 8. Showing the recorded part of the sequence: 259.

DeficientEvenComposite

Collatz trajectory (259 steps)

Even: n → n/2; Odd: n → 3n + 1

1,999,990999,9952,999,9861,499,9934,499,9802,249,9901,124,9953,374,9861,687,4935,062,4802,531,2401,265,620632,810316,405949,216474,608237,304118,65259,32629,66388,99044,495133,48666,743200,230100,115300,346150,173450,520225,260112,63056,315168,94684,473253,420126,71063,355190,06695,033285,100142,55071,275213,826106,913320,740160,37080,185240,556120,27860,139180,41890,209270,628135,31467,657202,972101,48650,743152,23076,115

Showing 60 of 60.

Prime factorization

Factorization: 2 × 5 × 199999
Distinct prime factors: 3
Perfect square: No
Parity: Even

Arithmetic properties

Positive divisors: 8
Divisor sum: 3,600,000
Proper-divisor sum: 1,600,010
Digit sum: 46
Digital root: 1

Number bases

Decimal: 1999990
Binary: 111101000010001110110 (21 bits)
Octal: 0o7502166
Hexadecimal: 0x1E8476

Divisor catalog (8)

12510199,999399,998999,9951,999,990

Showing 8 of 8.