138,137
138,137 is a composite number, odd.
138,137 (one hundred thirty-eight thousand one hundred thirty-seven) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 107 × 1,291. Written other ways, in hexadecimal, 0x21B99.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 504
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 731,831
- Recamán's sequence
- a(492,553) = 138,137
- Square (n²)
- 19,081,830,769
- Cube (n³)
- 2,635,906,856,937,353
- Divisor count
- 4
- σ(n) — sum of divisors
- 139,536
- φ(n) — Euler's totient
- 136,740
- Sum of prime factors
- 1,398
Primality
Prime factorization: 107 × 1291
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,137 = [371; (1, 2, 92, 1, 1, 2, 2, 46, 23, 1, 22, 3, 1, 2, 4, 11, 2, 1, 1, 2, 6, 1, 4, 1, …)]
Representations
- In words
- one hundred thirty-eight thousand one hundred thirty-seven
- Ordinal
- 138137th
- Binary
- 100001101110011001
- Octal
- 415631
- Hexadecimal
- 0x21B99
- Base64
- AhuZ
- One's complement
- 4,294,829,158 (32-bit)
- Scientific notation
- 1.38137 × 10⁵
- As a duration
- 138,137 s = 1 day, 14 hours, 22 minutes, 17 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρληρλζʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋦·𝋱
- Chinese
- 一十三萬八千一百三十七
- Chinese (financial)
- 壹拾參萬捌仟壹佰參拾柒
Also seen as
UTF-8 encoding: F0 A1 AE 99 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.27.153.
- Address
- 0.2.27.153
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.27.153
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 138,137 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 138137 first appears in π at position 790,037 of the decimal expansion (the 790,037ordinal-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.