137,828
137,828 is a composite number, even.
137,828 (one hundred thirty-seven thousand eight hundred twenty-eight) is an even 6-digit number. It is a composite number with 6 divisors, and factors as 2² × 34,457. Written other ways, in hexadecimal, 0x21A64.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 29
- Digit product
- 2,688
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 828,731
- Recamán's sequence
- a(493,171) = 137,828
- Square (n²)
- 18,996,557,584
- Cube (n³)
- 2,618,257,538,687,552
- Divisor count
- 6
- σ(n) — sum of divisors
- 241,206
- φ(n) — Euler's totient
- 68,912
- Sum of prime factors
- 34,461
Primality
Prime factorization: 2 2 × 34457
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√137,828 = [371; (3, 1, 31, 1, 1, 7, 6, 1, 4, 6, 2, 1, 2, 1, 5, 13, 1, 5, 17, 10, 8, 1, 5, 1, …)]
Representations
- In words
- one hundred thirty-seven thousand eight hundred twenty-eight
- Ordinal
- 137828th
- Binary
- 100001101001100100
- Octal
- 415144
- Hexadecimal
- 0x21A64
- Base64
- Ahpk
- One's complement
- 4,294,829,467 (32-bit)
- Scientific notation
- 1.37828 × 10⁵
- As a duration
- 137,828 s = 1 day, 14 hours, 17 minutes, 8 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλζωκηʹ
- Mayan (base 20)
- 𝋱·𝋤·𝋫·𝋨
- Chinese
- 一十三萬七千八百二十八
- Chinese (financial)
- 壹拾參萬柒仟捌佰貳拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 137828, here are decompositions:
- 37 + 137791 = 137828
- 241 + 137587 = 137828
- 337 + 137491 = 137828
- 487 + 137341 = 137828
- 577 + 137251 = 137828
- 619 + 137209 = 137828
- 631 + 137197 = 137828
- 709 + 137119 = 137828
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 A9 A4 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.26.100.
- Address
- 0.2.26.100
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.26.100
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 137,828 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 137828 first appears in π at position 294,914 of the decimal expansion (the 294,914ordinal-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.