109,802
109,802 is a composite number, even.
109,802 (one hundred nine thousand eight hundred two) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2 × 7 × 11 × 23 × 31. Its proper divisors sum to 111,382, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1ACEA.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 208,901
- Recamán's sequence
- a(249,692) = 109,802
- Square (n²)
- 12,056,479,204
- Cube (n³)
- 1,323,825,529,557,608
- Divisor count
- 32
- σ(n) — sum of divisors
- 221,184
- φ(n) — Euler's totient
- 39,600
- Sum of prime factors
- 74
Primality
Prime factorization: 2 × 7 × 11 × 23 × 31
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√109,802 = [331; (2, 1, 2, 1, 38, 3, 1, 8, 1, 1, 2, 1, 1, 8, 1, 3, 38, 1, 2, 1, 2, 662)]
Period length 22 — the block in parentheses repeats forever.
Representations
- In words
- one hundred nine thousand eight hundred two
- Ordinal
- 109802nd
- Binary
- 11010110011101010
- Octal
- 326352
- Hexadecimal
- 0x1ACEA
- Base64
- Aazq
- One's complement
- 4,294,857,493 (32-bit)
- Scientific notation
- 1.09802 × 10⁵
- As a duration
- 109,802 s = 1 day, 6 hours, 30 minutes, 2 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋 𒌋𒌋𒌋 𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺𓏺
- Greek (Milesian)
- ͵ρθωβʹ
- Mayan (base 20)
- 𝋭·𝋮·𝋪·𝋢
- Chinese
- 一十萬九千八百零二
- Chinese (financial)
- 壹拾萬玖仟捌佰零貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 109802, here are decompositions:
- 13 + 109789 = 109802
- 61 + 109741 = 109802
- 139 + 109663 = 109802
- 163 + 109639 = 109802
- 181 + 109621 = 109802
- 193 + 109609 = 109802
- 223 + 109579 = 109802
- 283 + 109519 = 109802
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.172.234.
- Address
- 0.1.172.234
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.172.234
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 109,802 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 109802 first appears in π at position 762,220 of the decimal expansion (the 762,220ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.