102,242
102,242 is a composite number, even.
102,242 (one hundred two thousand two hundred forty-two) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 7 × 67 × 109. Written other ways, in hexadecimal, 0x18F62.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 11
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 242,201
- Recamán's sequence
- a(40,203) = 102,242
- Square (n²)
- 10,453,426,564
- Cube (n³)
- 1,068,779,238,756,488
- Divisor count
- 16
- σ(n) — sum of divisors
- 179,520
- φ(n) — Euler's totient
- 42,768
- Sum of prime factors
- 185
Primality
Prime factorization: 2 × 7 × 67 × 109
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√102,242 = [319; (1, 3, 20, 2, 1, 1, 1, 3, 6, 3, 6, 2, 18, 2, 1, 8, 2, 1, 90, 1, 2, 8, 1, 2, …)]
Period length 38 — the block in parentheses repeats forever.
Representations
- In words
- one hundred two thousand two hundred forty-two
- Ordinal
- 102242nd
- Binary
- 11000111101100010
- Octal
- 307542
- Hexadecimal
- 0x18F62
- Base64
- AY9i
- One's complement
- 4,294,865,053 (32-bit)
- Scientific notation
- 1.02242 × 10⁵
- As a duration
- 102,242 s = 1 day, 4 hours, 24 minutes, 2 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹 𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρβσμβʹ
- Mayan (base 20)
- 𝋬·𝋯·𝋬·𝋢
- Chinese
- 一十萬二千二百四十二
- Chinese (financial)
- 壹拾萬貳仟貳佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 102242, here are decompositions:
- 13 + 102229 = 102242
- 43 + 102199 = 102242
- 61 + 102181 = 102242
- 103 + 102139 = 102242
- 139 + 102103 = 102242
- 163 + 102079 = 102242
- 181 + 102061 = 102242
- 199 + 102043 = 102242
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.143.98.
- Address
- 0.1.143.98
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.143.98
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 102,242 and was likely granted around 1870.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 102242 first appears in π at position 343,239 of the decimal expansion (the 343,239ordinal-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.