142,480
142,480 is a composite number, even.
142,480 (one hundred forty-two thousand four hundred eighty) is an even 6-digit number. It is a composite number with 40 divisors, and factors as 2⁴ × 5 × 13 × 137. Its proper divisors sum to 216,872, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22C90.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 84,241
- Recamán's sequence
- a(223,456) = 142,480
- Square (n²)
- 20,300,550,400
- Cube (n³)
- 2,892,422,420,992,000
- Divisor count
- 40
- σ(n) — sum of divisors
- 359,352
- φ(n) — Euler's totient
- 52,224
- Sum of prime factors
- 163
Primality
Prime factorization: 2 4 × 5 × 13 × 137
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,480 = [377; (2, 6, 1, 2, 4, 2, 1, 1, 46, 1, 1, 2, 4, 2, 1, 6, 2, 754)]
Period length 18 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand four hundred eighty
- Ordinal
- 142480th
- Binary
- 100010110010010000
- Octal
- 426220
- Hexadecimal
- 0x22C90
- Base64
- AiyQ
- One's complement
- 4,294,824,815 (32-bit)
- Scientific notation
- 1.4248 × 10⁵
- As a duration
- 142,480 s = 1 day, 15 hours, 34 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρμβυπʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋤·𝋠
- Chinese
- 一十四萬二千四百八十
- Chinese (financial)
- 壹拾肆萬貳仟肆佰捌拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142480, here are decompositions:
- 11 + 142469 = 142480
- 47 + 142433 = 142480
- 53 + 142427 = 142480
- 59 + 142421 = 142480
- 89 + 142391 = 142480
- 257 + 142223 = 142480
- 263 + 142217 = 142480
- 269 + 142211 = 142480
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 B2 90 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.44.144.
- Address
- 0.2.44.144
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.44.144
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 142,480 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 142480 first appears in π at position 122,249 of the decimal expansion (the 122,249ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.