138,025
138,025 is a composite number, odd.
138,025 (one hundred thirty-eight thousand twenty-five) is an odd 6-digit number. It is a composite number with 6 divisors, and factors as 5² × 5,521. Written other ways, in hexadecimal, 0x21B29.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 520,831
- Recamán's sequence
- a(492,777) = 138,025
- Square (n²)
- 19,050,900,625
- Cube (n³)
- 2,629,500,558,765,625
- Divisor count
- 6
- σ(n) — sum of divisors
- 171,182
- φ(n) — Euler's totient
- 110,400
- Sum of prime factors
- 5,531
Primality
Prime factorization: 5 2 × 5521
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,025 = [371; (1, 1, 14, 14, 1, 1, 742)]
Period length 7 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-eight thousand twenty-five
- Ordinal
- 138025th
- Binary
- 100001101100101001
- Octal
- 415451
- Hexadecimal
- 0x21B29
- Base64
- Ahsp
- One's complement
- 4,294,829,270 (32-bit)
- Scientific notation
- 1.38025 × 10⁵
- As a duration
- 138,025 s = 1 day, 14 hours, 20 minutes, 25 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρληκεʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋡·𝋥
- Chinese
- 一十三萬八千零二十五
- Chinese (financial)
- 壹拾參萬捌仟零貳拾伍
Also seen as
UTF-8 encoding: F0 A1 AC A9 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.27.41.
- Address
- 0.2.27.41
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.27.41
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 138,025 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.