138,410
138,410 is a composite number, even.
138,410 (one hundred thirty-eight thousand four hundred ten) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 5 × 13,841. Written other ways, in hexadecimal, 0x21CAA.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 14,831
- Recamán's sequence
- a(492,007) = 138,410
- Square (n²)
- 19,157,328,100
- Cube (n³)
- 2,651,565,782,321,000
- Divisor count
- 8
- σ(n) — sum of divisors
- 249,156
- φ(n) — Euler's totient
- 55,360
- Sum of prime factors
- 13,848
Primality
Prime factorization: 2 × 5 × 13841
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,410 = [372; (28, 1, 1, 1, 1, 1, 1, 3, 1, 3, 1, 2, 3, 9, 1, 3, 8, 2, 1, 1, 8, 1, 4, 1, …)]
Period length 60 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-eight thousand four hundred ten
- Ordinal
- 138410th
- Binary
- 100001110010101010
- Octal
- 416252
- Hexadecimal
- 0x21CAA
- Base64
- Ahyq
- One's complement
- 4,294,828,885 (32-bit)
- Scientific notation
- 1.3841 × 10⁵
- As a duration
- 138,410 s = 1 day, 14 hours, 26 minutes, 50 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆
- Greek (Milesian)
- ͵ρληυιʹ
- Mayan (base 20)
- 𝋱·𝋦·𝋠·𝋪
- Chinese
- 一十三萬八千四百一十
- Chinese (financial)
- 壹拾參萬捌仟肆佰壹拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 138410, here are decompositions:
- 3 + 138407 = 138410
- 7 + 138403 = 138410
- 37 + 138373 = 138410
- 61 + 138349 = 138410
- 73 + 138337 = 138410
- 127 + 138283 = 138410
- 163 + 138247 = 138410
- 229 + 138181 = 138410
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 B2 AA (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.28.170.
- Address
- 0.2.28.170
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.28.170
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 138,410 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 138410 first appears in π at position 68,906 of the decimal expansion (the 68,906ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.