137,145
137,145 is a composite number, odd.
137,145 (one hundred thirty-seven thousand one hundred forty-five) is an odd 6-digit number. It is a composite number with 16 divisors, and factors as 3 × 5 × 41 × 223. Written other ways, in hexadecimal, 0x217B9.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 420
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 541,731
- Square (n²)
- 18,808,751,025
- Cube (n³)
- 2,579,526,159,323,625
- Divisor count
- 16
- σ(n) — sum of divisors
- 225,792
- φ(n) — Euler's totient
- 71,040
- Sum of prime factors
- 272
Primality
Prime factorization: 3 × 5 × 41 × 223
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√137,145 = [370; (3, 45, 1, 22, 1, 10, 1, 1, 1, 1, 2, 6, 1, 2, 34, 1, 11, 1, 1, 2, 1, 1, 4, 5, …)]
Period length 54 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-seven thousand one hundred forty-five
- Ordinal
- 137145th
- Binary
- 100001011110111001
- Octal
- 413671
- Hexadecimal
- 0x217B9
- Base64
- Ahe5
- One's complement
- 4,294,830,150 (32-bit)
- Scientific notation
- 1.37145 × 10⁵
- As a duration
- 137,145 s = 1 day, 14 hours, 5 minutes, 45 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλζρμεʹ
- Mayan (base 20)
- 𝋱·𝋢·𝋱·𝋥
- Chinese
- 一十三萬七千一百四十五
- Chinese (financial)
- 壹拾參萬柒仟壹佰肆拾伍
Also seen as
UTF-8 encoding: F0 A1 9E B9 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.23.185.
- Address
- 0.2.23.185
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.23.185
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 137,145 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.