1,042,972
1,042,972 is a composite number, even.
1,042,972 (one million forty-two thousand nine hundred seventy-two) is an even 7-digit number. It is a composite number with 18 divisors, and factors as 2² × 7 × 193². Its proper divisors sum to 1,053,836, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xFEA1C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 7
- Digit sum
- 25
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 2,792,401
- Square (n²)
- 1,087,790,592,784
- Cube (n³)
- 1,134,535,130,137,114,048
- Divisor count
- 18
- σ(n) — sum of divisors
- 2,096,808
- φ(n) — Euler's totient
- 444,672
- Sum of prime factors
- 397
Primality
Prime factorization: 2 2 × 7 × 193 2
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,042,972 = [1021; (3, 1, 5, 2, 65, 2, 2, 1, 23, 1, 8, 2, 72, 2, 8, 1, 23, 1, 2, 2, 65, 2, 5, 1, …)]
Period length 26 — the block in parentheses repeats forever.
Representations
- In words
- one million forty-two thousand nine hundred seventy-two
- Ordinal
- 1042972nd
- Binary
- 11111110101000011100
- Octal
- 3765034
- Hexadecimal
- 0xFEA1C
- Base64
- D+oc
- One's complement
- 4,293,924,323 (32-bit)
- Scientific notation
- 1.042972 × 10⁶
- As a duration
- 1,042,972 s = 12 days, 1 hour, 42 minutes, 52 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓁨𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Chinese
- 一百零四萬二千九百七十二
- Chinese (financial)
- 壹佰零肆萬貳仟玖佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1042972, here are decompositions:
- 11 + 1042961 = 1042972
- 23 + 1042949 = 1042972
- 41 + 1042931 = 1042972
- 71 + 1042901 = 1042972
- 173 + 1042799 = 1042972
- 191 + 1042781 = 1042972
- 239 + 1042733 = 1042972
- 263 + 1042709 = 1042972
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.234.28.
- Address
- 0.15.234.28
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.234.28
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Could be parsed as a date. Most likely interpretation: Saturday, January 4, 2972 (MDDYYYY (US, single-digit month)).
Other possible interpretations (3)
- 2972-04-01 (DMMYYYY (Euro, single-digit day))
- 2972-10-04 (MMDYYYY (US, single-digit day))
- 2972-04-10 (DDMYYYY (Euro, single-digit month))
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 1,042,972 and was likely granted around 1912.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 1042972 first appears in π at position 528,900 of the decimal expansion (the 528,900ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.