149,942
149,942 is a composite number, even.
149,942 (one hundred forty-nine thousand nine hundred forty-two) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 13 × 73 × 79. Written other ways, in hexadecimal, 0x249B6.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 29
- Digit product
- 2,592
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 249,941
- Square (n²)
- 22,482,603,364
- Cube (n³)
- 3,371,086,513,604,888
- Divisor count
- 16
- σ(n) — sum of divisors
- 248,640
- φ(n) — Euler's totient
- 67,392
- Sum of prime factors
- 167
Primality
Prime factorization: 2 × 13 × 73 × 79
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√149,942 = [387; (4, 2, 9, 1, 1, 1, 1, 2, 2, 2, 3, 1, 5, 3, 12, 2, 1, 1, 1, 2, 9, 15, 1, 2, …)]
Period length 58 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-nine thousand nine hundred forty-two
- Ordinal
- 149942nd
- Binary
- 100100100110110110
- Octal
- 444666
- Hexadecimal
- 0x249B6
- Base64
- Akm2
- One's complement
- 4,294,817,353 (32-bit)
- Scientific notation
- 1.49942 × 10⁵
- As a duration
- 149,942 s = 1 day, 17 hours, 39 minutes, 2 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρμθϡμβʹ
- Mayan (base 20)
- 𝋲·𝋮·𝋱·𝋢
- Chinese
- 一十四萬九千九百四十二
- Chinese (financial)
- 壹拾肆萬玖仟玖佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 149942, here are decompositions:
- 3 + 149939 = 149942
- 31 + 149911 = 149942
- 43 + 149899 = 149942
- 103 + 149839 = 149942
- 139 + 149803 = 149942
- 151 + 149791 = 149942
- 193 + 149749 = 149942
- 211 + 149731 = 149942
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A4 A6 B6 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.73.182.
- Address
- 0.2.73.182
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.73.182
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 149,942 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 149942 first appears in π at position 720,055 of the decimal expansion (the 720,055ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.