145,001
145,001 is a composite number, odd.
145,001 (one hundred forty-five thousand one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 83 × 1,747. Written other ways, in hexadecimal, 0x23669.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 11
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 100,541
- Recamán's sequence
- a(218,414) = 145,001
- Square (n²)
- 21,025,290,001
- Cube (n³)
- 3,048,688,075,435,001
- Divisor count
- 4
- σ(n) — sum of divisors
- 146,832
- φ(n) — Euler's totient
- 143,172
- Sum of prime factors
- 1,830
Primality
Prime factorization: 83 × 1747
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√145,001 = [380; (1, 3, 1, 3, 5, 2, 1, 32, 2, 2, 1, 6, 3, 1, 1, 1, 13, 1, 2, 1, 2, 1, 2, 2, …)]
Representations
- In words
- one hundred forty-five thousand one
- Ordinal
- 145001st
- Binary
- 100011011001101001
- Octal
- 433151
- Hexadecimal
- 0x23669
- Base64
- AjZp
- One's complement
- 4,294,822,294 (32-bit)
- Scientific notation
- 1.45001 × 10⁵
- As a duration
- 145,001 s = 1 day, 16 hours, 16 minutes, 41 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓏺
- Greek (Milesian)
- ͵ρμεαʹ
- Mayan (base 20)
- 𝋲·𝋢·𝋪·𝋡
- Chinese
- 一十四萬五千零一
- Chinese (financial)
- 壹拾肆萬伍仟零壹
Also seen as
UTF-8 encoding: F0 A3 99 A9 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.54.105.
- Address
- 0.2.54.105
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.54.105
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 145,001 and was likely granted around 1873.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 145001 first appears in π at position 424,596 of the decimal expansion (the 424,596ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.