137,830
137,830 is a composite number, even.
137,830 (one hundred thirty-seven thousand eight hundred thirty) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2 × 5 × 7 × 11 × 179. Its proper divisors sum to 173,210, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x21A66.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 22
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 38,731
- Recamán's sequence
- a(493,167) = 137,830
- Square (n²)
- 18,997,108,900
- Cube (n³)
- 2,618,371,519,687,000
- Divisor count
- 32
- σ(n) — sum of divisors
- 311,040
- φ(n) — Euler's totient
- 42,720
- Sum of prime factors
- 204
Primality
Prime factorization: 2 × 5 × 7 × 11 × 179
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√137,830 = [371; (3, 1, 12, 1, 3, 742)]
Period length 6 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-seven thousand eight hundred thirty
- Ordinal
- 137830th
- Binary
- 100001101001100110
- Octal
- 415146
- Hexadecimal
- 0x21A66
- Base64
- Ahpm
- One's complement
- 4,294,829,465 (32-bit)
- Scientific notation
- 1.3783 × 10⁵
- As a duration
- 137,830 s = 1 day, 14 hours, 17 minutes, 10 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρλζωλʹ
- Mayan (base 20)
- 𝋱·𝋤·𝋫·𝋪
- Chinese
- 一十三萬七千八百三十
- Chinese (financial)
- 壹拾參萬柒仟捌佰參拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 137830, here are decompositions:
- 3 + 137827 = 137830
- 53 + 137777 = 137830
- 59 + 137771 = 137830
- 107 + 137723 = 137830
- 131 + 137699 = 137830
- 191 + 137639 = 137830
- 197 + 137633 = 137830
- 233 + 137597 = 137830
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 A9 A6 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.26.102.
- Address
- 0.2.26.102
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.26.102
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 137,830 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 137830 first appears in π at position 328,558 of the decimal expansion (the 328,558ordinal-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.