148,220
148,220 is a composite number, even.
148,220 (one hundred forty-eight thousand two hundred twenty) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 5 × 7,411. Its proper divisors sum to 163,084, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x242FC.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 22,841
- Recamán's sequence
- a(211,976) = 148,220
- Square (n²)
- 21,969,168,400
- Cube (n³)
- 3,256,270,140,248,000
- Divisor count
- 12
- σ(n) — sum of divisors
- 311,304
- φ(n) — Euler's totient
- 59,280
- Sum of prime factors
- 7,420
Primality
Prime factorization: 2 2 × 5 × 7411
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√148,220 = [384; (1, 152, 1, 768)]
Period length 4 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-eight thousand two hundred twenty
- Ordinal
- 148220th
- Binary
- 100100001011111100
- Octal
- 441374
- Hexadecimal
- 0x242FC
- Base64
- AkL8
- One's complement
- 4,294,819,075 (32-bit)
- Scientific notation
- 1.4822 × 10⁵
- As a duration
- 148,220 s = 1 day, 17 hours, 10 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹 𒌋 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵ρμησκʹ
- Mayan (base 20)
- 𝋲·𝋪·𝋫·𝋠
- Chinese
- 一十四萬八千二百二十
- Chinese (financial)
- 壹拾肆萬捌仟貳佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 148220, here are decompositions:
- 13 + 148207 = 148220
- 19 + 148201 = 148220
- 67 + 148153 = 148220
- 73 + 148147 = 148220
- 97 + 148123 = 148220
- 157 + 148063 = 148220
- 199 + 148021 = 148220
- 223 + 147997 = 148220
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A4 8B BC (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.66.252.
- Address
- 0.2.66.252
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.66.252
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 148,220 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 148220 first appears in π at position 579,188 of the decimal expansion (the 579,188ordinal-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.