161,104
161,104 is a composite number, even.
161,104 (one hundred sixty-one thousand one hundred four) is an even 6-digit number. It is a composite number with 10 divisors, and factors as 2⁴ × 10,069. Written other ways, in hexadecimal, 0x27550.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 13
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 401,161
- Recamán's sequence
- a(199,948) = 161,104
- Square (n²)
- 25,954,498,816
- Cube (n³)
- 4,181,373,577,252,864
- Divisor count
- 10
- σ(n) — sum of divisors
- 312,170
- φ(n) — Euler's totient
- 80,544
- Sum of prime factors
- 10,077
Primality
Prime factorization: 2 4 × 10069
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√161,104 = [401; (2, 1, 1, 1, 5, 3, 8, 1, 10, 2, 2, 2, 1, 1, 49, 1, 1, 2, 2, 2, 10, 1, 8, 3, …)]
Period length 30 — the block in parentheses repeats forever.
Representations
- In words
- one hundred sixty-one thousand one hundred four
- Ordinal
- 161104th
- Binary
- 100111010101010000
- Octal
- 472520
- Hexadecimal
- 0x27550
- Base64
- AnVQ
- One's complement
- 4,294,806,191 (32-bit)
- Scientific notation
- 1.61104 × 10⁵
- As a duration
- 161,104 s = 1 day, 20 hours, 45 minutes, 4 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓍢𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρξαρδʹ
- Chinese
- 一十六萬一千一百零四
- Chinese (financial)
- 壹拾陸萬壹仟壹佰零肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 161104, here are decompositions:
- 11 + 161093 = 161104
- 17 + 161087 = 161104
- 71 + 161033 = 161104
- 107 + 160997 = 161104
- 137 + 160967 = 161104
- 197 + 160907 = 161104
- 227 + 160877 = 161104
- 263 + 160841 = 161104
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A7 95 90 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.117.80.
- Address
- 0.2.117.80
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.117.80
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 161,104 and was likely granted around 1874.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 161104 first appears in π at position 807,300 of the decimal expansion (the 807,300ordinal-suffix:th digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.