138,150
138,150 is a composite number, even.
138,150 (one hundred thirty-eight thousand one hundred fifty) is an even 6-digit number. It is a composite number with 36 divisors, and factors as 2 × 3² × 5² × 307. Its proper divisors sum to 234,222, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x21BA6.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 51,831
- Recamán's sequence
- a(492,527) = 138,150
- Square (n²)
- 19,085,422,500
- Cube (n³)
- 2,636,651,118,375,000
- Divisor count
- 36
- σ(n) — sum of divisors
- 372,372
- φ(n) — Euler's totient
- 36,720
- Sum of prime factors
- 325
Primality
Prime factorization: 2 × 3 2 × 5 2 × 307
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,150 = [371; (1, 2, 5, 1, 1, 1, 1, 2, 2, 1, 2, 1, 1, 1, 14, 4, 3, 1, 1, 2, 2, 2, 5, 1, …)]
Period length 56 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-eight thousand one hundred fifty
- Ordinal
- 138150th
- Binary
- 100001101110100110
- Octal
- 415646
- Hexadecimal
- 0x21BA6
- Base64
- Ahum
- One's complement
- 4,294,829,145 (32-bit)
- Scientific notation
- 1.3815 × 10⁵
- As a duration
- 138,150 s = 1 day, 14 hours, 22 minutes, 30 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹 𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρληρνʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋧·𝋪
- Chinese
- 一十三萬八千一百五十
- Chinese (financial)
- 壹拾參萬捌仟壹佰伍拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 138150, here are decompositions:
- 7 + 138143 = 138150
- 11 + 138139 = 138150
- 37 + 138113 = 138150
- 43 + 138107 = 138150
- 71 + 138079 = 138150
- 73 + 138077 = 138150
- 79 + 138071 = 138150
- 97 + 138053 = 138150
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 AE A6 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.27.166.
- Address
- 0.2.27.166
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.27.166
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 138,150 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 138150 first appears in π at position 924,289 of the decimal expansion (the 924,289ordinal-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°.