142,623
142,623 is a composite number, odd.
142,623 (one hundred forty-two thousand six hundred twenty-three) is an odd 6-digit number. It is a composite number with 24 divisors, and factors as 3² × 13 × 23 × 53. Written other ways, in hexadecimal, 0x22D1F.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 288
- Digital root
- 9
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 326,241
- Recamán's sequence
- a(223,170) = 142,623
- Square (n²)
- 20,341,320,129
- Cube (n³)
- 2,901,140,100,758,367
- Divisor count
- 24
- σ(n) — sum of divisors
- 235,872
- φ(n) — Euler's totient
- 82,368
- Sum of prime factors
- 95
Primality
Prime factorization: 3 2 × 13 × 23 × 53
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,623 = [377; (1, 1, 1, 8, 1, 1, 5, 9, 6, 1, 19, 58, 19, 1, 6, 9, 5, 1, 1, 8, 1, 1, 1, 754)]
Period length 24 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand six hundred twenty-three
- Ordinal
- 142623rd
- Binary
- 100010110100011111
- Octal
- 426437
- Hexadecimal
- 0x22D1F
- Base64
- Ai0f
- One's complement
- 4,294,824,672 (32-bit)
- Scientific notation
- 1.42623 × 10⁵
- As a duration
- 142,623 s = 1 day, 15 hours, 37 minutes, 3 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβχκγʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋫·𝋣
- Chinese
- 一十四萬二千六百二十三
- Chinese (financial)
- 壹拾肆萬貳仟陸佰貳拾參
Also seen as
UTF-8 encoding: F0 A2 B4 9F (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.45.31.
- Address
- 0.2.45.31
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.45.31
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 142,623 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 142623 first appears in π at position 604,882 of the decimal expansion (the 604,882ordinal-suffix:nd 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°.