149,664
149,664 is a composite number, even.
149,664 (one hundred forty-nine thousand six hundred sixty-four) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2⁵ × 3 × 1,559. Its proper divisors sum to 243,456, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x248A0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 30
- Digit product
- 5,184
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 466,941
- Recamán's sequence
- a(44,100) = 149,664
- Square (n²)
- 22,399,312,896
- Cube (n³)
- 3,352,370,765,266,944
- Divisor count
- 24
- σ(n) — sum of divisors
- 393,120
- φ(n) — Euler's totient
- 49,856
- Sum of prime factors
- 1,572
Primality
Prime factorization: 2 5 × 3 × 1559
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√149,664 = [386; (1, 6, 2, 1, 2, 2, 1, 5, 6, 3, 16, 6, 1, 5, 1, 1, 6, 2, 3, 7, 2, 4, 2, 1, …)]
Representations
- In words
- one hundred forty-nine thousand six hundred sixty-four
- Ordinal
- 149664th
- Binary
- 100100100010100000
- Octal
- 444240
- Hexadecimal
- 0x248A0
- Base64
- Akig
- One's complement
- 4,294,817,631 (32-bit)
- Scientific notation
- 1.49664 × 10⁵
- As a duration
- 149,664 s = 1 day, 17 hours, 34 minutes, 24 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμθχξδʹ
- Mayan (base 20)
- 𝋲·𝋮·𝋣·𝋤
- Chinese
- 一十四萬九千六百六十四
- Chinese (financial)
- 壹拾肆萬玖仟陸佰陸拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 149664, here are decompositions:
- 37 + 149627 = 149664
- 41 + 149623 = 149664
- 61 + 149603 = 149664
- 101 + 149563 = 149664
- 103 + 149561 = 149664
- 113 + 149551 = 149664
- 131 + 149533 = 149664
- 167 + 149497 = 149664
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A4 A2 A0 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.72.160.
- Address
- 0.2.72.160
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.72.160
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 149,664 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 149664 first appears in π at position 938,738 of the decimal expansion (the 938,738ordinal-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°.