133,919
133,919 is a prime, odd.
133,919 (one hundred thirty-three thousand nine hundred nineteen) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x20B1F.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 26
- Digit product
- 729
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 919,331
- Square (n²)
- 17,934,298,561
- Cube (n³)
- 2,401,743,328,990,559
- Divisor count
- 2
- σ(n) — sum of divisors
- 133,920
- φ(n) — Euler's totient
- 133,918
Primality
133,919 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√133,919 = [365; (1, 18, 1, 3, 1, 1, 2, 9, 2, 365, 2, 9, 2, 1, 1, 3, 1, 18, 1, 730)]
Period length 20 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-three thousand nine hundred nineteen
- Ordinal
- 133919th
- Binary
- 100000101100011111
- Octal
- 405437
- Hexadecimal
- 0x20B1F
- Base64
- Agsf
- One's complement
- 4,294,833,376 (32-bit)
- Scientific notation
- 1.33919 × 10⁵
- As a duration
- 133,919 s = 1 day, 13 hours, 11 minutes, 59 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλγϡιθʹ
- Mayan (base 20)
- 𝋰·𝋮·𝋯·𝋳
- Chinese
- 一十三萬三千九百一十九
- Chinese (financial)
- 壹拾參萬參仟玖佰壹拾玖
Also seen as
UTF-8 encoding: F0 A0 AC 9F (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.11.31.
- Address
- 0.2.11.31
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.11.31
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 133,919 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 133919 first appears in π at position 676,033 of the decimal expansion (the 676,033ordinal-suffix:rd 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
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.