140,009
140,009 is a prime, odd.
140,009 (one hundred forty thousand nine) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x222E9.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 14
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 900,041
- Recamán's sequence
- a(488,809) = 140,009
- Square (n²)
- 19,602,520,081
- Cube (n³)
- 2,744,529,234,020,729
- Divisor count
- 2
- σ(n) — sum of divisors
- 140,010
- φ(n) — Euler's totient
- 140,008
Primality
140,009 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√140,009 = [374; (5, 1, 1, 1, 2, 39, 106, 1, 7, 1, 1, 18, 5, 1, 1, 2, 1, 14, 1, 1, 4, 13, 2, 1, …)]
Period length 49 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty thousand nine
- Ordinal
- 140009th
- Binary
- 100010001011101001
- Octal
- 421351
- Hexadecimal
- 0x222E9
- Base64
- AiLp
- One's complement
- 4,294,827,286 (32-bit)
- Scientific notation
- 1.40009 × 10⁵
- As a duration
- 140,009 s = 1 day, 14 hours, 53 minutes, 29 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμθʹ
- Mayan (base 20)
- 𝋱·𝋪·𝋠·𝋩
- Chinese
- 一十四萬零九
- Chinese (financial)
- 壹拾肆萬零玖
Also seen as
UTF-8 encoding: F0 A2 8B A9 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.34.233.
- Address
- 0.2.34.233
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.34.233
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 140,009 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.