144,200
144,200 is a composite number, even.
144,200 (one hundred forty-four thousand two hundred) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2³ × 5² × 7 × 103. Its proper divisors sum to 242,680, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x23348.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 11
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 2,441
- Recamán's sequence
- a(220,016) = 144,200
- Square (n²)
- 20,793,640,000
- Cube (n³)
- 2,998,442,888,000,000
- Divisor count
- 48
- σ(n) — sum of divisors
- 386,880
- φ(n) — Euler's totient
- 48,960
- Sum of prime factors
- 126
Primality
Prime factorization: 2 3 × 5 2 × 7 × 103
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√144,200 = [379; (1, 2, 1, 3, 1, 29, 1, 1, 2, 3, 2, 1, 1, 29, 1, 3, 1, 2, 1, 758)]
Period length 20 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-four thousand two hundred
- Ordinal
- 144200th
- Binary
- 100011001101001000
- Octal
- 431510
- Hexadecimal
- 0x23348
- Base64
- AjNI
- One's complement
- 4,294,823,095 (32-bit)
- Scientific notation
- 1.442 × 10⁵
- As a duration
- 144,200 s = 1 day, 16 hours, 3 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋 𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓍢
- Greek (Milesian)
- ͵ρμδσʹ
- Mayan (base 20)
- 𝋲·𝋠·𝋪·𝋠
- Chinese
- 一十四萬四千二百
- Chinese (financial)
- 壹拾肆萬肆仟貳佰
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 144200, here are decompositions:
- 31 + 144169 = 144200
- 37 + 144163 = 144200
- 61 + 144139 = 144200
- 97 + 144103 = 144200
- 127 + 144073 = 144200
- 139 + 144061 = 144200
- 163 + 144037 = 144200
- 223 + 143977 = 144200
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A3 8D 88 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.51.72.
- Address
- 0.2.51.72
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.51.72
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 144,200 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 144200 first appears in π at position 801,979 of the decimal expansion (the 801,979ordinal-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.