971,420
971,420 is a composite number, even.
971,420 (nine hundred seventy-one thousand four hundred twenty) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 5 × 48,571. Its proper divisors sum to 1,068,604, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xED29C.
Interestingness
Properties
Primality
Prime factorization: 2 2 × 5 × 48571
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√971,420 = [985; (1, 1, 1, 1, 5, 1, 1, 1, 3, 4, 1, 3, 1, 5, 5, 67, 1, 3, 1, 1, 6, 2, 15, 2, …)]
Representations
- In words
- nine hundred seventy-one thousand four hundred twenty
- Ordinal
- 971420th
- Binary
- 11101101001010011100
- Octal
- 3551234
- Hexadecimal
- 0xED29C
- Base64
- DtKc
- One's complement
- 4,293,995,875 (32-bit)
- Scientific notation
- 9.7142 × 10⁵
- As a duration
- 971,420 s = 11 days, 5 hours, 50 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵ϡοαυκʹ
- Chinese
- 九十七萬一千四百二十
- Chinese (financial)
- 玖拾柒萬壹仟肆佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 971420, here are decompositions:
- 19 + 971401 = 971420
- 31 + 971389 = 971420
- 67 + 971353 = 971420
- 139 + 971281 = 971420
- 157 + 971263 = 971420
- 223 + 971197 = 971420
- 271 + 971149 = 971420
- 277 + 971143 = 971420
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.14.210.156.
- Address
- 0.14.210.156
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.14.210.156
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 971,420 and was likely granted around 1910.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 971420 first appears in π at position 204,429 of the decimal expansion (the 204,429ordinal-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°.