121,672
121,672 is a composite number, even.
121,672 (one hundred twenty-one thousand six hundred seventy-two) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2³ × 67 × 227. Written other ways, in hexadecimal, 0x1DB48.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 168
- Digital root
- 1
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 276,121
- Square (n²)
- 14,804,075,584
- Cube (n³)
- 1,801,241,484,456,448
- Divisor count
- 16
- σ(n) — sum of divisors
- 232,560
- φ(n) — Euler's totient
- 59,664
- Sum of prime factors
- 300
Primality
Prime factorization: 2 3 × 67 × 227
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√121,672 = [348; (1, 4, 2, 2, 3, 1, 5, 1, 1, 20, 1, 1, 1, 1, 86, 1, 1, 1, 1, 20, 1, 1, 5, 1, …)]
Period length 30 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-one thousand six hundred seventy-two
- Ordinal
- 121672nd
- Binary
- 11101101101001000
- Octal
- 355510
- Hexadecimal
- 0x1DB48
- Base64
- AdtI
- One's complement
- 4,294,845,623 (32-bit)
- Scientific notation
- 1.21672 × 10⁵
- As a duration
- 121,672 s = 1 day, 9 hours, 47 minutes, 52 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρκαχοβʹ
- Mayan (base 20)
- 𝋯·𝋤·𝋣·𝋬
- Chinese
- 一十二萬一千六百七十二
- Chinese (financial)
- 壹拾貳萬壹仟陸佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 121672, here are decompositions:
- 11 + 121661 = 121672
- 41 + 121631 = 121672
- 101 + 121571 = 121672
- 113 + 121559 = 121672
- 149 + 121523 = 121672
- 179 + 121493 = 121672
- 233 + 121439 = 121672
- 251 + 121421 = 121672
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.219.72.
- Address
- 0.1.219.72
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.219.72
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 121,672 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 121672 first appears in π at position 697,941 of the decimal expansion (the 697,941ordinal-suffix:st 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.