137,810
137,810 is a composite number, even.
137,810 (one hundred thirty-seven thousand eight hundred ten) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 5 × 13,781. Written other ways, in hexadecimal, 0x21A52.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 18,731
- Recamán's sequence
- a(493,207) = 137,810
- Square (n²)
- 18,991,596,100
- Cube (n³)
- 2,617,231,858,541,000
- Divisor count
- 8
- σ(n) — sum of divisors
- 248,076
- φ(n) — Euler's totient
- 55,120
- Sum of prime factors
- 13,788
Primality
Prime factorization: 2 × 5 × 13781
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√137,810 = [371; (4, 2, 1, 1, 4, 3, 14, 1, 5, 3, 3, 1, 1, 21, 3, 1, 2, 5, 1, 7, 17, 1, 52, 11, …)]
Period length 51 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-seven thousand eight hundred ten
- Ordinal
- 137810th
- Binary
- 100001101001010010
- Octal
- 415122
- Hexadecimal
- 0x21A52
- Base64
- AhpS
- One's complement
- 4,294,829,485 (32-bit)
- Scientific notation
- 1.3781 × 10⁵
- As a duration
- 137,810 s = 1 day, 14 hours, 16 minutes, 50 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆
- Greek (Milesian)
- ͵ρλζωιʹ
- Mayan (base 20)
- 𝋱·𝋤·𝋪·𝋪
- Chinese
- 一十三萬七千八百一十
- Chinese (financial)
- 壹拾參萬柒仟捌佰壹拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 137810, here are decompositions:
- 7 + 137803 = 137810
- 19 + 137791 = 137810
- 67 + 137743 = 137810
- 73 + 137737 = 137810
- 97 + 137713 = 137810
- 103 + 137707 = 137810
- 151 + 137659 = 137810
- 157 + 137653 = 137810
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 A9 92 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.26.82.
- Address
- 0.2.26.82
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.26.82
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 137,810 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 137810 first appears in π at position 60,809 of the decimal expansion (the 60,809ordinal-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.