138,741
138,741 is a composite number, odd.
138,741 (one hundred thirty-eight thousand seven hundred forty-one) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 3 × 103 × 449. Written other ways, in hexadecimal, 0x21DF5.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 672
- Digital root
- 6
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 147,831
- Recamán's sequence
- a(491,345) = 138,741
- Square (n²)
- 19,249,065,081
- Cube (n³)
- 2,670,634,538,403,021
- Divisor count
- 8
- σ(n) — sum of divisors
- 187,200
- φ(n) — Euler's totient
- 91,392
- Sum of prime factors
- 555
Primality
Prime factorization: 3 × 103 × 449
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,741 = [372; (2, 11, 1, 2, 2, 13, 8, 2, 20, 1, 4, 2, 1, 2, 1, 1, 3, 3, 9, 2, 1, 2, 2, 1, …)]
Representations
- In words
- one hundred thirty-eight thousand seven hundred forty-one
- Ordinal
- 138741st
- Binary
- 100001110111110101
- Octal
- 416765
- Hexadecimal
- 0x21DF5
- Base64
- Ah31
- One's complement
- 4,294,828,554 (32-bit)
- Scientific notation
- 1.38741 × 10⁵
- As a duration
- 138,741 s = 1 day, 14 hours, 32 minutes, 21 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρληψμαʹ
- Mayan (base 20)
- 𝋱·𝋦·𝋱·𝋡
- Chinese
- 一十三萬八千七百四十一
- Chinese (financial)
- 壹拾參萬捌仟柒佰肆拾壹
Also seen as
UTF-8 encoding: F0 A1 B7 B5 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.29.245.
- Address
- 0.2.29.245
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.29.245
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 138,741 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 138741 first appears in π at position 583,452 of the decimal expansion (the 583,452ordinal-suffix:nd 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°.