148,172
148,172 is a composite number, even.
148,172 (one hundred forty-eight thousand one hundred seventy-two) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 17 × 2,179. Written other ways, in hexadecimal, 0x242CC.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 448
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 271,841
- Recamán's sequence
- a(212,072) = 148,172
- Square (n²)
- 21,954,941,584
- Cube (n³)
- 3,253,107,604,384,448
- Divisor count
- 12
- σ(n) — sum of divisors
- 274,680
- φ(n) — Euler's totient
- 69,696
- Sum of prime factors
- 2,200
Primality
Prime factorization: 2 2 × 17 × 2179
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√148,172 = [384; (1, 13, 1, 1, 8, 1, 3, 7, 2, 1, 2, 1, 3, 2, 1, 2, 1, 2, 95, 1, 6, 2, 15, 1, …)]
Representations
- In words
- one hundred forty-eight thousand one hundred seventy-two
- Ordinal
- 148172nd
- Binary
- 100100001011001100
- Octal
- 441314
- Hexadecimal
- 0x242CC
- Base64
- AkLM
- One's complement
- 4,294,819,123 (32-bit)
- Scientific notation
- 1.48172 × 10⁵
- As a duration
- 148,172 s = 1 day, 17 hours, 9 minutes, 32 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρμηροβʹ
- Mayan (base 20)
- 𝋲·𝋪·𝋨·𝋬
- Chinese
- 一十四萬八千一百七十二
- Chinese (financial)
- 壹拾肆萬捌仟壹佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 148172, here are decompositions:
- 19 + 148153 = 148172
- 109 + 148063 = 148172
- 151 + 148021 = 148172
- 223 + 147949 = 148172
- 313 + 147859 = 148172
- 373 + 147799 = 148172
- 379 + 147793 = 148172
- 433 + 147739 = 148172
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A4 8B 8C (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.66.204.
- Address
- 0.2.66.204
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.66.204
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 148,172 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 148172 first appears in π at position 773,365 of the decimal expansion (the 773,365ordinal-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.