1,000,409
1,000,409 is a prime, odd.
1,000,409 (one million four hundred nine) is an odd 7-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xF43D9.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 7
- Digit sum
- 14
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 9,040,001
- Square (n²)
- 1,000,818,167,281
- Cube (n³)
- 1,001,227,501,911,417,929
- Divisor count
- 2
- σ(n) — sum of divisors
- 1,000,410
- φ(n) — Euler's totient
- 1,000,408
Primality
1,000,409 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,000,409 = [1000; (4, 1, 8, 7, 1, 2, 32, 2, 4, 7, 1, 5, 2, 1, 1, 4, 1, 2, 1, 1, 1, 11, 1, 3, …)]
Representations
- In words
- one million four hundred nine
- Ordinal
- 1000409th
- Binary
- 11110100001111011001
- Octal
- 3641731
- Hexadecimal
- 0xF43D9
- Base64
- D0PZ
- One's complement
- 4,293,966,886 (32-bit)
- Scientific notation
- 1.000409 × 10⁶
- As a duration
- 1,000,409 s = 11 days, 13 hours, 53 minutes, 29 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓁨𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Chinese
- 一百萬零四百零九
- Chinese (financial)
- 壹佰萬零肆佰零玖
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.15.67.217.
- Address
- 0.15.67.217
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.67.217
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 1,000,409 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
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.