144,021
144,021 is a composite number, odd.
144,021 (one hundred forty-four thousand twenty-one) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 3 × 61 × 787. Written other ways, in hexadecimal, 0x23295.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 12
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 120,441
- Recamán's sequence
- a(220,374) = 144,021
- Square (n²)
- 20,742,048,441
- Cube (n³)
- 2,987,290,558,521,261
- Divisor count
- 8
- σ(n) — sum of divisors
- 195,424
- φ(n) — Euler's totient
- 94,320
- Sum of prime factors
- 851
Primality
Prime factorization: 3 × 61 × 787
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√144,021 = [379; (1, 1, 252, 1, 1, 758)]
Period length 6 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-four thousand twenty-one
- Ordinal
- 144021st
- Binary
- 100011001010010101
- Octal
- 431225
- Hexadecimal
- 0x23295
- Base64
- AjKV
- One's complement
- 4,294,823,274 (32-bit)
- Scientific notation
- 1.44021 × 10⁵
- As a duration
- 144,021 s = 1 day, 16 hours, 21 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋 · 𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρμδκαʹ
- Mayan (base 20)
- 𝋲·𝋠·𝋡·𝋡
- Chinese
- 一十四萬四千零二十一
- Chinese (financial)
- 壹拾肆萬肆仟零貳拾壹
Also seen as
UTF-8 encoding: F0 A3 8A 95 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.50.149.
- Address
- 0.2.50.149
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.50.149
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 144,021 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 144021 first appears in π at position 154,058 of the decimal expansion (the 154,058ordinal-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°.