155,088
155,088 is a composite number, even.
155,088 (one hundred fifty-five thousand eighty-eight) is an even 6-digit number. It is a composite number with 40 divisors, and factors as 2⁴ × 3³ × 359. Its proper divisors sum to 291,312, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x25DD0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 27
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 880,551
- Recamán's sequence
- a(477,943) = 155,088
- Square (n²)
- 24,052,287,744
- Cube (n³)
- 3,730,221,201,641,472
- Divisor count
- 40
- σ(n) — sum of divisors
- 446,400
- φ(n) — Euler's totient
- 51,552
- Sum of prime factors
- 376
Primality
Prime factorization: 2 4 × 3 3 × 359
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√155,088 = [393; (1, 4, 3, 10, 2, 10, 3, 4, 1, 786)]
Period length 10 — the block in parentheses repeats forever.
Representations
- In words
- one hundred fifty-five thousand eighty-eight
- Ordinal
- 155088th
- Binary
- 100101110111010000
- Octal
- 456720
- Hexadecimal
- 0x25DD0
- Base64
- Al3Q
- One's complement
- 4,294,812,207 (32-bit)
- Scientific notation
- 1.55088 × 10⁵
- As a duration
- 155,088 s = 1 day, 19 hours, 4 minutes, 48 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρνεπηʹ
- Mayan (base 20)
- 𝋳·𝋧·𝋮·𝋨
- Chinese
- 一十五萬五千零八十八
- Chinese (financial)
- 壹拾伍萬伍仟零捌拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 155088, here are decompositions:
- 5 + 155083 = 155088
- 7 + 155081 = 155088
- 19 + 155069 = 155088
- 41 + 155047 = 155088
- 61 + 155027 = 155088
- 71 + 155017 = 155088
- 79 + 155009 = 155088
- 97 + 154991 = 155088
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A5 B7 90 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.93.208.
- Address
- 0.2.93.208
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.93.208
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 155,088 and was likely granted around 1873.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 155088 first appears in π at position 205,531 of the decimal expansion (the 205,531ordinal-suffix:st 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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.