161,006
161,006 is a composite number, even.
161,006 (one hundred sixty-one thousand six) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2 × 19² × 223. Written other ways, in hexadecimal, 0x274EE.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 14
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 600,161
- Flips to (rotate 180°)
- 900,191
- Recamán's sequence
- a(200,144) = 161,006
- Square (n²)
- 25,922,932,036
- Cube (n³)
- 4,173,747,595,388,216
- Divisor count
- 12
- σ(n) — sum of divisors
- 256,032
- φ(n) — Euler's totient
- 75,924
- Sum of prime factors
- 263
Primality
Prime factorization: 2 × 19 2 × 223
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√161,006 = [401; (3, 1, 10, 1, 1, 4, 4, 2, 2, 1, 1, 6, 2, 1, 1, 5, 1, 1, 2, 1, 2, 46, 1, 5, …)]
Representations
- In words
- one hundred sixty-one thousand six
- Ordinal
- 161006th
- Binary
- 100111010011101110
- Octal
- 472356
- Hexadecimal
- 0x274EE
- Base64
- AnTu
- One's complement
- 4,294,806,289 (32-bit)
- Scientific notation
- 1.61006 × 10⁵
- As a duration
- 161,006 s = 1 day, 20 hours, 43 minutes, 26 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρξαϛʹ
- Chinese
- 一十六萬一千零六
- Chinese (financial)
- 壹拾陸萬壹仟零陸
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 161006, here are decompositions:
- 37 + 160969 = 161006
- 73 + 160933 = 161006
- 103 + 160903 = 161006
- 127 + 160879 = 161006
- 193 + 160813 = 161006
- 199 + 160807 = 161006
- 283 + 160723 = 161006
- 337 + 160669 = 161006
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A7 93 AE (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.116.238.
- Address
- 0.2.116.238
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.116.238
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 161,006 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 161006 first appears in π at position 211,197 of the decimal expansion (the 211,197ordinal-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°.