120,161
120,161 is a composite number, odd.
120,161 (one hundred twenty thousand one hundred sixty-one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 107 × 1,123. Written other ways, in hexadecimal, 0x1D561.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 11
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 161,021
- Square (n²)
- 14,438,665,921
- Cube (n³)
- 1,734,964,535,733,281
- Divisor count
- 4
- σ(n) — sum of divisors
- 121,392
- φ(n) — Euler's totient
- 118,932
- Sum of prime factors
- 1,230
Primality
Prime factorization: 107 × 1123
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√120,161 = [346; (1, 1, 1, 3, 1, 12, 3, 2, 1, 1, 2, 1, 3, 1, 5, 4, 6, 4, 5, 1, 3, 1, 2, 1, …)]
Period length 34 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty thousand one hundred sixty-one
- Ordinal
- 120161st
- Binary
- 11101010101100001
- Octal
- 352541
- Hexadecimal
- 0x1D561
- Base64
- AdVh
- One's complement
- 4,294,847,134 (32-bit)
- Scientific notation
- 1.20161 × 10⁵
- As a duration
- 120,161 s = 1 day, 9 hours, 22 minutes, 41 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρκρξαʹ
- Mayan (base 20)
- 𝋯·𝋠·𝋨·𝋡
- Chinese
- 一十二萬零一百六十一
- Chinese (financial)
- 壹拾貳萬零壹佰陸拾壹
Also seen as
UTF-8 encoding: F0 9D 95 A1 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.213.97.
- Address
- 0.1.213.97
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.213.97
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 120,161 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 120161 first appears in π at position 42,591 of the decimal expansion (the 42,591ordinal-suffix:st 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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.