123,968
123,968 is a composite number, even.
123,968 (one hundred twenty-three thousand nine hundred sixty-eight) is an even 6-digit number. It is a composite number with 28 divisors, and factors as 2⁶ × 13 × 149. Its proper divisors sum to 142,732, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1E440.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 29
- Digit product
- 2,592
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 869,321
- Recamán's sequence
- a(238,228) = 123,968
- Square (n²)
- 15,368,065,024
- Cube (n³)
- 1,905,148,284,895,232
- Divisor count
- 28
- σ(n) — sum of divisors
- 266,700
- φ(n) — Euler's totient
- 56,832
- Sum of prime factors
- 174
Primality
Prime factorization: 2 6 × 13 × 149
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√123,968 = [352; (11, 704)]
Period length 2 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-three thousand nine hundred sixty-eight
- Ordinal
- 123968th
- Binary
- 11110010001000000
- Octal
- 362100
- Hexadecimal
- 0x1E440
- Base64
- AeRA
- One's complement
- 4,294,843,327 (32-bit)
- Scientific notation
- 1.23968 × 10⁵
- As a duration
- 123,968 s = 1 day, 10 hours, 26 minutes, 8 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκγϡξηʹ
- Mayan (base 20)
- 𝋯·𝋩·𝋲·𝋨
- Chinese
- 一十二萬三千九百六十八
- Chinese (financial)
- 壹拾貳萬參仟玖佰陸拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 123968, here are decompositions:
- 37 + 123931 = 123968
- 139 + 123829 = 123968
- 151 + 123817 = 123968
- 181 + 123787 = 123968
- 211 + 123757 = 123968
- 241 + 123727 = 123968
- 307 + 123661 = 123968
- 331 + 123637 = 123968
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.228.64.
- Address
- 0.1.228.64
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.228.64
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 123,968 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 123968 first appears in π at position 437,315 of the decimal expansion (the 437,315ordinal-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.