130,221
130,221 is a composite number, odd.
130,221 (one hundred thirty thousand two hundred twenty-one) is an odd 6-digit number. It is a composite number with 32 divisors, and factors as 3³ × 7 × 13 × 53. Written other ways, in hexadecimal, 0x1FCAD.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 9
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 122,031
- Square (n²)
- 16,957,508,841
- Cube (n³)
- 2,208,223,758,783,861
- Divisor count
- 32
- σ(n) — sum of divisors
- 241,920
- φ(n) — Euler's totient
- 67,392
- Sum of prime factors
- 82
Primality
Prime factorization: 3 3 × 7 × 13 × 53
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√130,221 = [360; (1, 6, 4, 1, 1, 2, 1, 6, 2, 179, 1, 27, 1, 6, 1, 27, 1, 179, 2, 6, 1, 2, 1, 1, …)]
Period length 28 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty thousand two hundred twenty-one
- Ordinal
- 130221st
- Binary
- 11111110010101101
- Octal
- 376255
- Hexadecimal
- 0x1FCAD
- Base64
- Afyt
- One's complement
- 4,294,837,074 (32-bit)
- Scientific notation
- 1.30221 × 10⁵
- As a duration
- 130,221 s = 1 day, 12 hours, 10 minutes, 21 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋 𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓍢𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρλσκαʹ
- Mayan (base 20)
- 𝋰·𝋥·𝋫·𝋡
- Chinese
- 一十三萬零二百二十一
- Chinese (financial)
- 壹拾參萬零貳佰貳拾壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.1.252.173.
- Address
- 0.1.252.173
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.252.173
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 130,221 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 130221 first appears in π at position 395,083 of the decimal expansion (the 395,083ordinal-suffix:rd 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°.