135,380
135,380 is a composite number, even.
135,380 (one hundred thirty-five thousand three hundred eighty) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 5 × 7 × 967. Its proper divisors sum to 189,868, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x210D4.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 83,531
- Square (n²)
- 18,327,744,400
- Cube (n³)
- 2,481,210,036,872,000
- Divisor count
- 24
- σ(n) — sum of divisors
- 325,248
- φ(n) — Euler's totient
- 46,368
- Sum of prime factors
- 983
Primality
Prime factorization: 2 2 × 5 × 7 × 967
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√135,380 = [367; (1, 15, 1, 2, 1, 1, 1, 5, 2, 4, 8, 1, 37, 1, 5, 4, 1, 3, 2, 1, 2, 45, 1, 1, …)]
Representations
- In words
- one hundred thirty-five thousand three hundred eighty
- Ordinal
- 135380th
- Binary
- 100001000011010100
- Octal
- 410324
- Hexadecimal
- 0x210D4
- Base64
- AhDU
- One's complement
- 4,294,831,915 (32-bit)
- Scientific notation
- 1.3538 × 10⁵
- As a duration
- 135,380 s = 1 day, 13 hours, 36 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρλετπʹ
- Mayan (base 20)
- 𝋰·𝋲·𝋩·𝋠
- Chinese
- 一十三萬五千三百八十
- Chinese (financial)
- 壹拾參萬伍仟參佰捌拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 135380, here are decompositions:
- 13 + 135367 = 135380
- 31 + 135349 = 135380
- 61 + 135319 = 135380
- 79 + 135301 = 135380
- 97 + 135283 = 135380
- 103 + 135277 = 135380
- 109 + 135271 = 135380
- 139 + 135241 = 135380
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 83 94 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.16.212.
- Address
- 0.2.16.212
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.16.212
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 135,380 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 135380 first appears in π at position 207,769 of the decimal expansion (the 207,769ordinal-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.