123,001
123,001 is a prime, odd.
123,001 (one hundred twenty-three thousand one) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x1E079.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 7
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 100,321
- Square (n²)
- 15,129,246,001
- Cube (n³)
- 1,860,912,387,369,001
- Divisor count
- 2
- σ(n) — sum of divisors
- 123,002
- φ(n) — Euler's totient
- 123,000
Primality
123,001 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√123,001 = [350; (1, 2, 1, 1, 28, 1, 1, 1, 8, 1, 2, 4, 1, 1, 9, 5, 4, 233, 1, 1, 2, 1, 86, 1, …)]
Representations
- In words
- one hundred twenty-three thousand one
- Ordinal
- 123001st
- Binary
- 11110000001111001
- Octal
- 360171
- Hexadecimal
- 0x1E079
- Base64
- AeB5
- One's complement
- 4,294,844,294 (32-bit)
- Scientific notation
- 1.23001 × 10⁵
- As a duration
- 123,001 s = 1 day, 10 hours, 10 minutes, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋 𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓏺
- Greek (Milesian)
- ͵ρκγαʹ
- Mayan (base 20)
- 𝋯·𝋧·𝋪·𝋡
- Chinese
- 一十二萬三千零一
- Chinese (financial)
- 壹拾貳萬參仟零壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.1.224.121.
- Address
- 0.1.224.121
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.224.121
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 123,001 and was likely granted around 1871.
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.