133,145
133,145 is a composite number, odd.
133,145 (one hundred thirty-three thousand one hundred forty-five) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 5 × 31 × 859. Written other ways, in hexadecimal, 0x20819.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 180
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 541,331
- Square (n²)
- 17,727,591,025
- Cube (n³)
- 2,360,340,107,023,625
- Divisor count
- 8
- σ(n) — sum of divisors
- 165,120
- φ(n) — Euler's totient
- 102,960
- Sum of prime factors
- 895
Primality
Prime factorization: 5 × 31 × 859
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√133,145 = [364; (1, 8, 8, 11, 3, 1, 1, 2, 1, 2, 1, 2, 1, 4, 1, 5, 4, 1, 6, 4, 1, 3, 66, 12, …)]
Period length 60 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-three thousand one hundred forty-five
- Ordinal
- 133145th
- Binary
- 100000100000011001
- Octal
- 404031
- Hexadecimal
- 0x20819
- Base64
- AggZ
- One's complement
- 4,294,834,150 (32-bit)
- Scientific notation
- 1.33145 × 10⁵
- As a duration
- 133,145 s = 1 day, 12 hours, 59 minutes, 5 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλγρμεʹ
- Mayan (base 20)
- 𝋰·𝋬·𝋱·𝋥
- Chinese
- 一十三萬三千一百四十五
- Chinese (financial)
- 壹拾參萬參仟壹佰肆拾伍
Also seen as
UTF-8 encoding: F0 A0 A0 99 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.8.25.
- Address
- 0.2.8.25
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.8.25
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 133,145 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 133145 first appears in π at position 373,096 of the decimal expansion (the 373,096ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.