148,800
148,800 is a composite number, even.
148,800 (one hundred forty-eight thousand eight hundred) is an even 6-digit number. It is a composite number with 84 divisors, and factors as 2⁶ × 3 × 5² × 31. Its proper divisors sum to 355,136, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x24540.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 8,841
- Recamán's sequence
- a(43,220) = 148,800
- Square (n²)
- 22,141,440,000
- Cube (n³)
- 3,294,646,272,000,000
- Divisor count
- 84
- σ(n) — sum of divisors
- 503,936
- φ(n) — Euler's totient
- 38,400
- Sum of prime factors
- 56
Primality
Prime factorization: 2 6 × 3 × 5 2 × 31
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√148,800 = [385; (1, 2, 1, 14, 1, 191, 1, 14, 1, 2, 1, 770)]
Period length 12 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-eight thousand eight hundred
- Ordinal
- 148800th
- Binary
- 100100010101000000
- Octal
- 442500
- Hexadecimal
- 0x24540
- Base64
- AkVA
- One's complement
- 4,294,818,495 (32-bit)
- Scientific notation
- 1.488 × 10⁵
- As a duration
- 148,800 s = 1 day, 17 hours, 20 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹 𒌋𒌋 ·
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢
- Greek (Milesian)
- ͵ρμηωʹ
- Mayan (base 20)
- 𝋲·𝋬·𝋠·𝋠
- Chinese
- 一十四萬八千八百
- Chinese (financial)
- 壹拾肆萬捌仟捌佰
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 148800, here are decompositions:
- 7 + 148793 = 148800
- 17 + 148783 = 148800
- 19 + 148781 = 148800
- 37 + 148763 = 148800
- 53 + 148747 = 148800
- 73 + 148727 = 148800
- 79 + 148721 = 148800
- 89 + 148711 = 148800
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A4 95 80 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.69.64.
- Address
- 0.2.69.64
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.69.64
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 148,800 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 148800 first appears in π at position 90,894 of the decimal expansion (the 90,894ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.