138,324
138,324 is a composite number, even.
138,324 (one hundred thirty-eight thousand three hundred twenty-four) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 3 × 11,527. Its proper divisors sum to 184,460, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x21C54.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 576
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 423,831
- Recamán's sequence
- a(492,179) = 138,324
- Square (n²)
- 19,133,528,976
- Cube (n³)
- 2,646,626,262,076,224
- Divisor count
- 12
- σ(n) — sum of divisors
- 322,784
- φ(n) — Euler's totient
- 46,104
- Sum of prime factors
- 11,534
Primality
Prime factorization: 2 2 × 3 × 11527
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,324 = [371; (1, 11, 2, 1, 1, 29, 6, 2, 1, 1, 1, 3, 1, 2, 3, 3, 3, 1, 1, 2, 4, 6, 1, 5, …)]
Representations
- In words
- one hundred thirty-eight thousand three hundred twenty-four
- Ordinal
- 138324th
- Binary
- 100001110001010100
- Octal
- 416124
- Hexadecimal
- 0x21C54
- Base64
- AhxU
- One's complement
- 4,294,828,971 (32-bit)
- Scientific notation
- 1.38324 × 10⁵
- As a duration
- 138,324 s = 1 day, 14 hours, 25 minutes, 24 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλητκδʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋰·𝋤
- Chinese
- 一十三萬八千三百二十四
- Chinese (financial)
- 壹拾參萬捌仟參佰貳拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 138324, here are decompositions:
- 5 + 138319 = 138324
- 13 + 138311 = 138324
- 41 + 138283 = 138324
- 73 + 138251 = 138324
- 83 + 138241 = 138324
- 127 + 138197 = 138324
- 167 + 138157 = 138324
- 181 + 138143 = 138324
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 B1 94 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.28.84.
- Address
- 0.2.28.84
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.28.84
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 138,324 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 138324 first appears in π at position 107,640 of the decimal expansion (the 107,640ordinal-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°.