138,003
138,003 is a composite number, odd.
138,003 (one hundred thirty-eight thousand three) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 3 × 157 × 293. Written other ways, in hexadecimal, 0x21B13.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 15
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 300,831
- Recamán's sequence
- a(492,821) = 138,003
- Square (n²)
- 19,044,828,009
- Cube (n³)
- 2,628,243,399,726,027
- Divisor count
- 8
- σ(n) — sum of divisors
- 185,808
- φ(n) — Euler's totient
- 91,104
- Sum of prime factors
- 453
Primality
Prime factorization: 3 × 157 × 293
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,003 = [371; (2, 19, 1, 1, 2, 1, 1, 2, 10, 12, 1, 15, 4, 2, 1, 1, 2, 3, 2, 6, 2, 1, 1, 1, …)]
Period length 46 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-eight thousand three
- Ordinal
- 138003rd
- Binary
- 100001101100010011
- Octal
- 415423
- Hexadecimal
- 0x21B13
- Base64
- AhsT
- One's complement
- 4,294,829,292 (32-bit)
- Scientific notation
- 1.38003 × 10⁵
- As a duration
- 138,003 s = 1 day, 14 hours, 20 minutes, 3 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρληγʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋠·𝋣
- Chinese
- 一十三萬八千零三
- Chinese (financial)
- 壹拾參萬捌仟零參
Also seen as
UTF-8 encoding: F0 A1 AC 93 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.27.19.
- Address
- 0.2.27.19
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.27.19
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 138,003 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 138003 first appears in π at position 502,327 of the decimal expansion (the 502,327ordinal-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°.