138,429
138,429 is a composite number, odd.
138,429 (one hundred thirty-eight thousand four hundred twenty-nine) is an odd 6-digit number. It is a composite number with 10 divisors, and factors as 3⁴ × 1,709. Written other ways, in hexadecimal, 0x21CBD.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 27
- Digit product
- 1,728
- Digital root
- 9
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 924,831
- Recamán's sequence
- a(491,969) = 138,429
- Square (n²)
- 19,162,588,041
- Cube (n³)
- 2,652,657,899,927,589
- Divisor count
- 10
- σ(n) — sum of divisors
- 206,910
- φ(n) — Euler's totient
- 92,232
- Sum of prime factors
- 1,721
Primality
Prime factorization: 3 4 × 1709
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,429 = [372; (16, 1, 1, 6, 1, 2, 2, 3, 1, 2, 5, 1, 1, 2, 4, 1, 11, 1, 3, 1, 16, 8, 1, 2, …)]
Representations
- In words
- one hundred thirty-eight thousand four hundred twenty-nine
- Ordinal
- 138429th
- Binary
- 100001110010111101
- Octal
- 416275
- Hexadecimal
- 0x21CBD
- Base64
- Ahy9
- One's complement
- 4,294,828,866 (32-bit)
- Scientific notation
- 1.38429 × 10⁵
- As a duration
- 138,429 s = 1 day, 14 hours, 27 minutes, 9 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρληυκθʹ
- Mayan (base 20)
- 𝋱·𝋦·𝋡·𝋩
- Chinese
- 一十三萬八千四百二十九
- Chinese (financial)
- 壹拾參萬捌仟肆佰貳拾玖
Also seen as
UTF-8 encoding: F0 A1 B2 BD (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.28.189.
- Address
- 0.2.28.189
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.28.189
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 138,429 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 138429 first appears in π at position 385,795 of the decimal expansion (the 385,795ordinal-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°.