144,672
144,672 is a composite number, even.
144,672 (one hundred forty-four thousand six hundred seventy-two) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2⁵ × 3 × 11 × 137. Its proper divisors sum to 272,640, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x23520.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 1,344
- Digital root
- 6
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 276,441
- Recamán's sequence
- a(219,072) = 144,672
- Square (n²)
- 20,929,987,584
- Cube (n³)
- 3,027,983,163,752,448
- Divisor count
- 48
- σ(n) — sum of divisors
- 417,312
- φ(n) — Euler's totient
- 43,520
- Sum of prime factors
- 161
Primality
Prime factorization: 2 5 × 3 × 11 × 137
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√144,672 = [380; (2, 1, 3, 1, 7, 1, 22, 1, 7, 1, 3, 1, 2, 760)]
Period length 14 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-four thousand six hundred seventy-two
- Ordinal
- 144672nd
- Binary
- 100011010100100000
- Octal
- 432440
- Hexadecimal
- 0x23520
- Base64
- AjUg
- One's complement
- 4,294,822,623 (32-bit)
- Scientific notation
- 1.44672 × 10⁵
- As a duration
- 144,672 s = 1 day, 16 hours, 11 minutes, 12 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋 𒌋𒁹 𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρμδχοβʹ
- Mayan (base 20)
- 𝋲·𝋡·𝋭·𝋬
- Chinese
- 一十四萬四千六百七十二
- Chinese (financial)
- 壹拾肆萬肆仟陸佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 144672, here are decompositions:
- 5 + 144667 = 144672
- 13 + 144659 = 144672
- 43 + 144629 = 144672
- 61 + 144611 = 144672
- 79 + 144593 = 144672
- 83 + 144589 = 144672
- 89 + 144583 = 144672
- 103 + 144569 = 144672
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A3 94 A0 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.53.32.
- Address
- 0.2.53.32
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.53.32
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 144,672 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 144672 first appears in π at position 247,663 of the decimal expansion (the 247,663ordinal-suffix:rd 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°.