122,972
122,972 is a composite number, even.
122,972 (one hundred twenty-two thousand nine hundred seventy-two) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 71 × 433. Written other ways, in hexadecimal, 0x1E05C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 504
- Digital root
- 5
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 279,221
- Square (n²)
- 15,122,112,784
- Cube (n³)
- 1,859,596,453,274,048
- Divisor count
- 12
- σ(n) — sum of divisors
- 218,736
- φ(n) — Euler's totient
- 60,480
- Sum of prime factors
- 508
Primality
Prime factorization: 2 2 × 71 × 433
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√122,972 = [350; (1, 2, 15, 1, 1, 1, 1, 5, 1, 4, 1, 18, 7, 1, 11, 87, 1, 1, 2, 2, 7, 1, 1, 4, …)]
Representations
- In words
- one hundred twenty-two thousand nine hundred seventy-two
- Ordinal
- 122972nd
- Binary
- 11110000001011100
- Octal
- 360134
- Hexadecimal
- 0x1E05C
- Base64
- AeBc
- One's complement
- 4,294,844,323 (32-bit)
- Scientific notation
- 1.22972 × 10⁵
- As a duration
- 122,972 s = 1 day, 10 hours, 9 minutes, 32 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρκβϡοβʹ
- Mayan (base 20)
- 𝋯·𝋧·𝋨·𝋬
- Chinese
- 一十二萬二千九百七十二
- Chinese (financial)
- 壹拾貳萬貳仟玖佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 122972, here are decompositions:
- 19 + 122953 = 122972
- 43 + 122929 = 122972
- 103 + 122869 = 122972
- 139 + 122833 = 122972
- 211 + 122761 = 122972
- 229 + 122743 = 122972
- 271 + 122701 = 122972
- 373 + 122599 = 122972
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9E 81 9C (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.224.92.
- Address
- 0.1.224.92
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.224.92
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 122,972 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 122972 first appears in π at position 351,736 of the decimal expansion (the 351,736ordinal-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.