104,161
104,161 is a prime, odd.
104,161 (one hundred four thousand one hundred sixty-one) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x196E1.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 13
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 161,401
- Recamán's sequence
- a(93,781) = 104,161
- Square (n²)
- 10,849,513,921
- Cube (n³)
- 1,130,096,219,525,281
- Divisor count
- 2
- σ(n) — sum of divisors
- 104,162
- φ(n) — Euler's totient
- 104,160
Primality
104,161 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√104,161 = [322; (1, 2, 1, 5, 2, 1, 1, 15, 1, 1, 5, 4, 26, 1, 1, 1, 9, 1, 1, 2, 1, 1, 42, 2, …)]
Period length 59 — the block in parentheses repeats forever.
Representations
- In words
- one hundred four thousand one hundred sixty-one
- Ordinal
- 104161st
- Binary
- 11001011011100001
- Octal
- 313341
- Hexadecimal
- 0x196E1
- Base64
- AZbh
- One's complement
- 4,294,863,134 (32-bit)
- Scientific notation
- 1.04161 × 10⁵
- As a duration
- 104,161 s = 1 day, 4 hours, 56 minutes, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓆐𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρδρξαʹ
- Mayan (base 20)
- 𝋭·𝋠·𝋨·𝋡
- Chinese
- 一十萬四千一百六十一
- Chinese (financial)
- 壹拾萬肆仟壹佰陸拾壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.1.150.225.
- Address
- 0.1.150.225
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.150.225
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 104,161 and was likely granted around 1870.
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.