155,996
155,996 is a composite number, even.
155,996 (one hundred fifty-five thousand nine hundred ninety-six) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 59 × 661. Written other ways, in hexadecimal, 0x2615C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 35
- Digit product
- 12,150
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 699,551
- Recamán's sequence
- a(205,872) = 155,996
- Square (n²)
- 24,334,752,016
- Cube (n³)
- 3,796,123,975,487,936
- Divisor count
- 12
- σ(n) — sum of divisors
- 278,040
- φ(n) — Euler's totient
- 76,560
- Sum of prime factors
- 724
Primality
Prime factorization: 2 2 × 59 × 661
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√155,996 = [394; (1, 26, 4, 6, 13, 1, 17, 2, 3, 1, 2, 1, 4, 2, 1, 3, 2, 1, 12, 1, 2, 3, 1, 2, …)]
Period length 38 — the block in parentheses repeats forever.
Representations
- In words
- one hundred fifty-five thousand nine hundred ninety-six
- Ordinal
- 155996th
- Binary
- 100110000101011100
- Octal
- 460534
- Hexadecimal
- 0x2615C
- Base64
- AmFc
- One's complement
- 4,294,811,299 (32-bit)
- Scientific notation
- 1.55996 × 10⁵
- As a duration
- 155,996 s = 1 day, 19 hours, 19 minutes, 56 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρνεϡϟϛʹ
- Mayan (base 20)
- 𝋳·𝋩·𝋳·𝋰
- Chinese
- 一十五萬五千九百九十六
- Chinese (financial)
- 壹拾伍萬伍仟玖佰玖拾陸
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 155996, here are decompositions:
- 103 + 155893 = 155996
- 109 + 155887 = 155996
- 163 + 155833 = 155996
- 199 + 155797 = 155996
- 223 + 155773 = 155996
- 277 + 155719 = 155996
- 307 + 155689 = 155996
- 397 + 155599 = 155996
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A6 85 9C (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.97.92.
- Address
- 0.2.97.92
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.97.92
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 155,996 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 155996 first appears in π at position 311,600 of the decimal expansion (the 311,600ordinal-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.