961,720
961,720 is a composite number, even.
961,720 (nine hundred sixty-one thousand seven hundred twenty) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2³ × 5 × 24,043. Its proper divisors sum to 1,202,240, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xEACB8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 25
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 27,169
- Square (n²)
- 924,905,358,400
- Cube (n³)
- 889,499,981,280,448,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 2,163,960
- φ(n) — Euler's totient
- 384,672
- Sum of prime factors
- 24,054
Primality
Prime factorization: 2 3 × 5 × 24043
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√961,720 = [980; (1, 2, 16, 1, 1, 2, 1, 5, 2, 1, 1, 6, 1, 5, 10, 1, 2, 1, 1, 1, 5, 1, 2, 25, …)]
Representations
- In words
- nine hundred sixty-one thousand seven hundred twenty
- Ordinal
- 961720th
- Binary
- 11101010110010111000
- Octal
- 3526270
- Hexadecimal
- 0xEACB8
- Base64
- Dqy4
- One's complement
- 4,294,005,575 (32-bit)
- Scientific notation
- 9.6172 × 10⁵
- As a duration
- 961,720 s = 11 days, 3 hours, 8 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵ϡξαψκʹ
- Chinese
- 九十六萬一千七百二十
- Chinese (financial)
- 玖拾陸萬壹仟柒佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 961720, here are decompositions:
- 17 + 961703 = 961720
- 29 + 961691 = 961720
- 41 + 961679 = 961720
- 59 + 961661 = 961720
- 83 + 961637 = 961720
- 101 + 961619 = 961720
- 107 + 961613 = 961720
- 173 + 961547 = 961720
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.14.172.184.
- Address
- 0.14.172.184
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.14.172.184
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 961,720 and was likely granted around 1910.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.