164,009
164,009 is a composite number, odd.
164,009 (one hundred sixty-four thousand nine) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 401 × 409. Written other ways, in hexadecimal, 0x280A9.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 900,461
- Square (n²)
- 26,898,952,081
- Cube (n³)
- 4,411,670,231,852,729
- Divisor count
- 4
- σ(n) — sum of divisors
- 164,820
- φ(n) — Euler's totient
- 163,200
- Sum of prime factors
- 810
Primality
Prime factorization: 401 × 409
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√164,009 = [404; (1, 49, 1, 1, 1, 1, 1, 12, 32, 3, 7, 1, 1, 6, 1, 8, 1, 8, 4, 1, 18, 1, 19, 3, …)]
Representations
- In words
- one hundred sixty-four thousand nine
- Ordinal
- 164009th
- Binary
- 101000000010101001
- Octal
- 500251
- Hexadecimal
- 0x280A9
- Base64
- AoCp
- One's complement
- 4,294,803,286 (32-bit)
- Scientific notation
- 1.64009 × 10⁵
- As a duration
- 164,009 s = 1 day, 21 hours, 33 minutes, 29 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρξδθʹ
- Chinese
- 一十六萬四千零九
- Chinese (financial)
- 壹拾陸萬肆仟零玖
Also seen as
UTF-8 encoding: F0 A8 82 A9 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.128.169.
- Address
- 0.2.128.169
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.128.169
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 164,009 and was likely granted around 1874.
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.