1,009,001
1,009,001 is a composite number, odd.
1,009,001 (one million nine thousand one) is an odd 7-digit number. It is a composite number with 16 divisors, and factors as 7 × 17 × 61 × 139. Its digits read the same forwards and backwards, so it is a palindromic number. Written other ways, in hexadecimal, 0xF6569.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 7
- Digit sum
- 11
- Digit product
- 0
- Digital root
- 2
- Palindrome
- Yes
- Bit width
- 20 bits
- Flips to (rotate 180°)
- 1,006,001
- Recamán's sequence
- a(347,449) = 1,009,001
- Square (n²)
- 1,018,083,018,001
- Cube (n³)
- 1,027,246,783,246,027,001
- Divisor count
- 16
- σ(n) — sum of divisors
- 1,249,920
- φ(n) — Euler's totient
- 794,880
- Sum of prime factors
- 224
Primality
Prime factorization: 7 × 17 × 61 × 139
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,009,001 = [1004; (2, 25, 1, 1, 2, 3, 1, 15, 1, 4, 1, 8, 1, 30, 2, 30, 1, 8, 1, 4, 1, 15, 1, 3, …)]
Period length 30 — the block in parentheses repeats forever.
Representations
- In words
- one million nine thousand one
- Ordinal
- 1009001st
- Binary
- 11110110010101101001
- Octal
- 3662551
- Hexadecimal
- 0xF6569
- Base64
- D2Vp
- One's complement
- 4,293,958,294 (32-bit)
- Scientific notation
- 1.009001 × 10⁶
- As a duration
- 1,009,001 s = 11 days, 16 hours, 16 minutes, 41 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓁨𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓏺
- Chinese
- 一百萬九千零一
- Chinese (financial)
- 壹佰萬玖仟零壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.15.101.105.
- Address
- 0.15.101.105
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.101.105
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 1,009,001 and was likely granted around 1911.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.