137,642
137,642 is a composite number, even.
137,642 (one hundred thirty-seven thousand six hundred forty-two) is an even 6-digit number. It is a composite number with 4 divisors, and factors as 2 × 68,821. Written other ways, in hexadecimal, 0x219AA.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 1,008
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 246,731
- Recamán's sequence
- a(493,543) = 137,642
- Square (n²)
- 18,945,320,164
- Cube (n³)
- 2,607,671,758,013,288
- Divisor count
- 4
- σ(n) — sum of divisors
- 206,466
- φ(n) — Euler's totient
- 68,820
- Sum of prime factors
- 68,823
Primality
Prime factorization: 2 × 68821
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√137,642 = [371; (742)]
Period length 1 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-seven thousand six hundred forty-two
- Ordinal
- 137642nd
- Binary
- 100001100110101010
- Octal
- 414652
- Hexadecimal
- 0x219AA
- Base64
- Ahmq
- One's complement
- 4,294,829,653 (32-bit)
- Scientific notation
- 1.37642 × 10⁵
- As a duration
- 137,642 s = 1 day, 14 hours, 14 minutes, 2 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹 𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρλζχμβʹ
- Mayan (base 20)
- 𝋱·𝋤·𝋢·𝋢
- Chinese
- 一十三萬七千六百四十二
- Chinese (financial)
- 壹拾參萬柒仟陸佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 137642, here are decompositions:
- 3 + 137639 = 137642
- 19 + 137623 = 137642
- 151 + 137491 = 137642
- 199 + 137443 = 137642
- 229 + 137413 = 137642
- 283 + 137359 = 137642
- 433 + 137209 = 137642
- 499 + 137143 = 137642
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 A6 AA (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.25.170.
- Address
- 0.2.25.170
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.25.170
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 137,642 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 137642 first appears in π at position 996,516 of the decimal expansion (the 996,516ordinal-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.