137,908
137,908 is a composite number, even.
137,908 (one hundred thirty-seven thousand nine hundred eight) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 23 × 1,499. Written other ways, in hexadecimal, 0x21AB4.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 28
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 809,731
- Recamán's sequence
- a(493,011) = 137,908
- Square (n²)
- 19,018,616,464
- Cube (n³)
- 2,622,819,359,317,312
- Divisor count
- 12
- σ(n) — sum of divisors
- 252,000
- φ(n) — Euler's totient
- 65,912
- Sum of prime factors
- 1,526
Primality
Prime factorization: 2 2 × 23 × 1499
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√137,908 = [371; (2, 1, 3, 1, 1, 4, 4, 1, 38, 3, 1, 1, 5, 17, 1, 14, 1, 1, 8, 3, 14, 4, 7, 1, …)]
Representations
- In words
- one hundred thirty-seven thousand nine hundred eight
- Ordinal
- 137908th
- Binary
- 100001101010110100
- Octal
- 415264
- Hexadecimal
- 0x21AB4
- Base64
- Ahq0
- One's complement
- 4,294,829,387 (32-bit)
- Scientific notation
- 1.37908 × 10⁵
- As a duration
- 137,908 s = 1 day, 14 hours, 18 minutes, 28 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλζϡηʹ
- Mayan (base 20)
- 𝋱·𝋤·𝋯·𝋨
- Chinese
- 一十三萬七千九百零八
- Chinese (financial)
- 壹拾參萬柒仟玖佰零捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 137908, here are decompositions:
- 41 + 137867 = 137908
- 59 + 137849 = 137908
- 131 + 137777 = 137908
- 137 + 137771 = 137908
- 269 + 137639 = 137908
- 311 + 137597 = 137908
- 389 + 137519 = 137908
- 401 + 137507 = 137908
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 AA B4 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.26.180.
- Address
- 0.2.26.180
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.26.180
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 137,908 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 137908 first appears in π at position 257,220 of the decimal expansion (the 257,220ordinal-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.