138,010
138,010 is a composite number, even.
138,010 (one hundred thirty-eight thousand ten) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 5 × 37 × 373. Written other ways, in hexadecimal, 0x21B1A.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 13
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 10,831
- Recamán's sequence
- a(492,807) = 138,010
- Square (n²)
- 19,046,760,100
- Cube (n³)
- 2,628,643,361,401,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 255,816
- φ(n) — Euler's totient
- 53,568
- Sum of prime factors
- 417
Primality
Prime factorization: 2 × 5 × 37 × 373
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,010 = [371; (2, 82, 18, 9, 8, 1, 1, 8, 9, 18, 82, 2, 742)]
Period length 13 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-eight thousand ten
- Ordinal
- 138010th
- Binary
- 100001101100011010
- Octal
- 415432
- Hexadecimal
- 0x21B1A
- Base64
- Ahsa
- One's complement
- 4,294,829,285 (32-bit)
- Scientific notation
- 1.3801 × 10⁵
- As a duration
- 138,010 s = 1 day, 14 hours, 20 minutes, 10 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆
- Greek (Milesian)
- ͵ρληιʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋠·𝋪
- Chinese
- 一十三萬八千零一十
- Chinese (financial)
- 壹拾參萬捌仟零壹拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 138010, here are decompositions:
- 3 + 138007 = 138010
- 11 + 137999 = 138010
- 17 + 137993 = 138010
- 53 + 137957 = 138010
- 83 + 137927 = 138010
- 101 + 137909 = 138010
- 137 + 137873 = 138010
- 179 + 137831 = 138010
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 AC 9A (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.27.26.
- Address
- 0.2.27.26
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.27.26
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 138,010 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 138010 first appears in π at position 53,526 of the decimal expansion (the 53,526ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.