101,388
101,388 is a composite number, even.
Interestingness
Properties
Primality
Prime factorization: 2 2 × 3 × 7 × 17 × 71
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√101,388 = [318; (2, 2, 2, 3, 2, 1, 5, 2, 2, 1, 12, 1, 5, 5, 10, 1, 1, 1, 1, 158, 1, 1, 1, 1, …)]
Period length 40 — the block in parentheses repeats forever.
Representations
- In words
- one hundred one thousand three hundred eighty-eight
- Ordinal
- 101388th
- Binary
- 11000110000001100
- Octal
- 306014
- Hexadecimal
- 0x18C0C
- Base64
- AYwM
- One's complement
- 4,294,865,907 (32-bit)
- Scientific notation
- 1.01388 × 10⁵
- As a duration
- 101,388 s = 1 day, 4 hours, 9 minutes, 48 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρατπηʹ
- Mayan (base 20)
- 𝋬·𝋭·𝋩·𝋨
- Chinese
- 一十萬一千三百八十八
- Chinese (financial)
- 壹拾萬壹仟參佰捌拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 101388, here are decompositions:
- 5 + 101383 = 101388
- 11 + 101377 = 101388
- 29 + 101359 = 101388
- 41 + 101347 = 101388
- 47 + 101341 = 101388
- 101 + 101287 = 101388
- 107 + 101281 = 101388
- 109 + 101279 = 101388
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 98 B0 8C (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.140.12.
- Address
- 0.1.140.12
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.140.12
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 101,388 and was likely granted around 1870.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 101388 first appears in π at position 288,995 of the decimal expansion (the 288,995ordinal-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.