144,072
144,072 is a composite number, even.
144,072 (one hundred forty-four thousand seventy-two) is an even 6-digit number. It is a composite number with 64 divisors, and factors as 2³ × 3³ × 23 × 29. Its proper divisors sum to 287,928, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x232C8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 270,441
- Recamán's sequence
- a(220,272) = 144,072
- Square (n²)
- 20,756,741,184
- Cube (n³)
- 2,990,465,215,861,248
- Divisor count
- 64
- σ(n) — sum of divisors
- 432,000
- φ(n) — Euler's totient
- 44,352
- Sum of prime factors
- 67
Primality
Prime factorization: 2 3 × 3 3 × 23 × 29
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√144,072 = [379; (1, 1, 3, 5, 1, 83, 1, 1, 32, 1, 1, 83, 1, 5, 3, 1, 1, 758)]
Period length 18 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-four thousand seventy-two
- Ordinal
- 144072nd
- Binary
- 100011001011001000
- Octal
- 431310
- Hexadecimal
- 0x232C8
- Base64
- AjLI
- One's complement
- 4,294,823,223 (32-bit)
- Scientific notation
- 1.44072 × 10⁵
- As a duration
- 144,072 s = 1 day, 16 hours, 1 minute, 12 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋 𒁹 𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρμδοβʹ
- Mayan (base 20)
- 𝋲·𝋠·𝋣·𝋬
- Chinese
- 一十四萬四千零七十二
- Chinese (financial)
- 壹拾肆萬肆仟零柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 144072, here are decompositions:
- 11 + 144061 = 144072
- 41 + 144031 = 144072
- 59 + 144013 = 144072
- 73 + 143999 = 144072
- 101 + 143971 = 144072
- 163 + 143909 = 144072
- 191 + 143881 = 144072
- 193 + 143879 = 144072
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A3 8B 88 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.50.200.
- Address
- 0.2.50.200
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.50.200
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 144,072 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 144072 first appears in π at position 927,040 of the decimal expansion (the 927,040ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.