138,925
138,925 is a composite number, odd.
138,925 (one hundred thirty-eight thousand nine hundred twenty-five) is an odd 6-digit number. It is a composite number with 6 divisors, and factors as 5² × 5,557. Written other ways, in hexadecimal, 0x21EAD.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 28
- Digit product
- 2,160
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 529,831
- Recamán's sequence
- a(490,977) = 138,925
- Square (n²)
- 19,300,155,625
- Cube (n³)
- 2,681,274,120,203,125
- Divisor count
- 6
- σ(n) — sum of divisors
- 172,298
- φ(n) — Euler's totient
- 111,120
- Sum of prime factors
- 5,567
Primality
Prime factorization: 5 2 × 5557
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,925 = [372; (1, 2, 1, 1, 1, 9, 3, 3, 3, 82, 1, 1, 9, 2, 3, 2, 2, 1, 29, 9, 5, 1, 9, 9, …)]
Period length 55 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-eight thousand nine hundred twenty-five
- Ordinal
- 138925th
- Binary
- 100001111010101101
- Octal
- 417255
- Hexadecimal
- 0x21EAD
- Base64
- Ah6t
- One's complement
- 4,294,828,370 (32-bit)
- Scientific notation
- 1.38925 × 10⁵
- As a duration
- 138,925 s = 1 day, 14 hours, 35 minutes, 25 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρληϡκεʹ
- Mayan (base 20)
- 𝋱·𝋧·𝋦·𝋥
- Chinese
- 一十三萬八千九百二十五
- Chinese (financial)
- 壹拾參萬捌仟玖佰貳拾伍
Also seen as
UTF-8 encoding: F0 A1 BA AD (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.30.173.
- Address
- 0.2.30.173
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.30.173
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 138,925 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.