148,720
148,720 is a composite number, even.
148,720 (one hundred forty-eight thousand seven hundred twenty) is an even 6-digit number. It is a composite number with 60 divisors, and factors as 2⁴ × 5 × 11 × 13². Its proper divisors sum to 259,736, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x244F0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 22
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 27,841
- Recamán's sequence
- a(43,060) = 148,720
- Square (n²)
- 22,117,638,400
- Cube (n³)
- 3,289,335,182,848,000
- Divisor count
- 60
- σ(n) — sum of divisors
- 408,456
- φ(n) — Euler's totient
- 49,920
- Sum of prime factors
- 50
Primality
Prime factorization: 2 4 × 5 × 11 × 13 2
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√148,720 = [385; (1, 1, 1, 3, 1, 8, 1, 2, 1, 3, 1, 4, 1, 1, 3, 4, 3, 1, 1, 4, 1, 3, 1, 2, …)]
Period length 32 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-eight thousand seven hundred twenty
- Ordinal
- 148720th
- Binary
- 100100010011110000
- Octal
- 442360
- Hexadecimal
- 0x244F0
- Base64
- AkTw
- One's complement
- 4,294,818,575 (32-bit)
- Scientific notation
- 1.4872 × 10⁵
- As a duration
- 148,720 s = 1 day, 17 hours, 18 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵ρμηψκʹ
- Mayan (base 20)
- 𝋲·𝋫·𝋰·𝋠
- Chinese
- 一十四萬八千七百二十
- Chinese (financial)
- 壹拾肆萬捌仟柒佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 148720, here are decompositions:
- 29 + 148691 = 148720
- 53 + 148667 = 148720
- 251 + 148469 = 148720
- 263 + 148457 = 148720
- 281 + 148439 = 148720
- 317 + 148403 = 148720
- 353 + 148367 = 148720
- 359 + 148361 = 148720
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A4 93 B0 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.68.240.
- Address
- 0.2.68.240
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.68.240
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 148,720 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 148720 first appears in π at position 317,972 of the decimal expansion (the 317,972ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.