122,072
122,072 is a composite number, even.
122,072 (one hundred twenty-two thousand seventy-two) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2³ × 15,259. Written other ways, in hexadecimal, 0x1DCD8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 14
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 270,221
- Square (n²)
- 14,901,573,184
- Cube (n³)
- 1,819,064,841,717,248
- Divisor count
- 8
- σ(n) — sum of divisors
- 228,900
- φ(n) — Euler's totient
- 61,032
- Sum of prime factors
- 15,265
Primality
Prime factorization: 2 3 × 15259
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√122,072 = [349; (2, 1, 1, 2, 1, 2, 1, 8, 1, 5, 3, 2, 22, 9, 6, 1, 2, 15, 1, 1, 7, 2, 2, 1, …)]
Representations
- In words
- one hundred twenty-two thousand seventy-two
- Ordinal
- 122072nd
- Binary
- 11101110011011000
- Octal
- 356330
- Hexadecimal
- 0x1DCD8
- Base64
- AdzY
- One's complement
- 4,294,845,223 (32-bit)
- Scientific notation
- 1.22072 × 10⁵
- As a duration
- 122,072 s = 1 day, 9 hours, 54 minutes, 32 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρκβοβʹ
- Mayan (base 20)
- 𝋯·𝋥·𝋣·𝋬
- Chinese
- 一十二萬二千零七十二
- Chinese (financial)
- 壹拾貳萬貳仟零柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 122072, here are decompositions:
- 3 + 122069 = 122072
- 19 + 122053 = 122072
- 31 + 122041 = 122072
- 43 + 122029 = 122072
- 61 + 122011 = 122072
- 79 + 121993 = 122072
- 109 + 121963 = 122072
- 151 + 121921 = 122072
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.220.216.
- Address
- 0.1.220.216
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.220.216
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 122,072 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 122072 first appears in π at position 44,217 of the decimal expansion (the 44,217ordinal-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.