101,772
101,772 is a composite number, even.
101,772 (one hundred one thousand seven hundred seventy-two) is an even 6-digit number. It is a composite number with 36 divisors, and factors as 2² × 3² × 11 × 257. Its proper divisors sum to 179,964, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x18D8C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 277,101
- Square (n²)
- 10,357,539,984
- Cube (n³)
- 1,054,107,559,251,648
- Divisor count
- 36
- σ(n) — sum of divisors
- 281,736
- φ(n) — Euler's totient
- 30,720
- Sum of prime factors
- 278
Primality
Prime factorization: 2 2 × 3 2 × 11 × 257
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√101,772 = [319; (58, 638)]
Period length 2 — the block in parentheses repeats forever.
Representations
- In words
- one hundred one thousand seven hundred seventy-two
- Ordinal
- 101772nd
- Binary
- 11000110110001100
- Octal
- 306614
- Hexadecimal
- 0x18D8C
- Base64
- AY2M
- One's complement
- 4,294,865,523 (32-bit)
- Scientific notation
- 1.01772 × 10⁵
- As a duration
- 101,772 s = 1 day, 4 hours, 16 minutes, 12 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ραψοβʹ
- Mayan (base 20)
- 𝋬·𝋮·𝋨·𝋬
- Chinese
- 一十萬一千七百七十二
- Chinese (financial)
- 壹拾萬壹仟柒佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 101772, here are decompositions:
- 23 + 101749 = 101772
- 31 + 101741 = 101772
- 53 + 101719 = 101772
- 71 + 101701 = 101772
- 79 + 101693 = 101772
- 109 + 101663 = 101772
- 131 + 101641 = 101772
- 173 + 101599 = 101772
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.141.140.
- Address
- 0.1.141.140
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.141.140
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 101,772 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 101772 first appears in π at position 40,396 of the decimal expansion (the 40,396ordinal-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°.