146,442
146,442 is a composite number, even.
146,442 (one hundred forty-six thousand four hundred forty-two) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 3 × 24,407. Its proper divisors sum to 146,454, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x23C0A.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 768
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 244,641
- Recamán's sequence
- a(215,532) = 146,442
- Square (n²)
- 21,445,259,364
- Cube (n³)
- 3,140,486,671,782,888
- Divisor count
- 8
- σ(n) — sum of divisors
- 292,896
- φ(n) — Euler's totient
- 48,812
- Sum of prime factors
- 24,412
Primality
Prime factorization: 2 × 3 × 24407
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√146,442 = [382; (1, 2, 10, 109, 4, 5, 1, 3, 2, 15, 5, 1, 1, 1, 4, 1, 15, 2, 5, 1, 17, 1, 4, 1, …)]
Representations
- In words
- one hundred forty-six thousand four hundred forty-two
- Ordinal
- 146442nd
- Binary
- 100011110000001010
- Octal
- 436012
- Hexadecimal
- 0x23C0A
- Base64
- AjwK
- One's complement
- 4,294,820,853 (32-bit)
- Scientific notation
- 1.46442 × 10⁵
- As a duration
- 146,442 s = 1 day, 16 hours, 40 minutes, 42 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρμϛυμβʹ
- Mayan (base 20)
- 𝋲·𝋦·𝋢·𝋢
- Chinese
- 一十四萬六千四百四十二
- Chinese (financial)
- 壹拾肆萬陸仟肆佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 146442, here are decompositions:
- 5 + 146437 = 146442
- 19 + 146423 = 146442
- 53 + 146389 = 146442
- 59 + 146383 = 146442
- 61 + 146381 = 146442
- 73 + 146369 = 146442
- 83 + 146359 = 146442
- 151 + 146291 = 146442
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A3 B0 8A (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.60.10.
- Address
- 0.2.60.10
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.60.10
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 146,442 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 146442 first appears in π at position 918,838 of the decimal expansion (the 918,838ordinal-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°.