142,961
142,961 is a composite number, odd.
142,961 (one hundred forty-two thousand nine hundred sixty-one) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 7 × 13 × 1,571. Written other ways, in hexadecimal, 0x22E71.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 432
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 169,241
- Recamán's sequence
- a(222,494) = 142,961
- Square (n²)
- 20,437,847,521
- Cube (n³)
- 2,921,815,119,449,681
- Divisor count
- 8
- σ(n) — sum of divisors
- 176,064
- φ(n) — Euler's totient
- 113,040
- Sum of prime factors
- 1,591
Primality
Prime factorization: 7 × 13 × 1571
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,961 = [378; (9, 1, 4, 1, 1, 5, 1, 2, 2, 1, 2, 3, 4, 1, 2, 9, 4, 1, 1, 1, 1, 1, 2, 6, …)]
Representations
- In words
- one hundred forty-two thousand nine hundred sixty-one
- Ordinal
- 142961st
- Binary
- 100010111001110001
- Octal
- 427161
- Hexadecimal
- 0x22E71
- Base64
- Ai5x
- One's complement
- 4,294,824,334 (32-bit)
- Scientific notation
- 1.42961 × 10⁵
- As a duration
- 142,961 s = 1 day, 15 hours, 42 minutes, 41 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρμβϡξαʹ
- Mayan (base 20)
- 𝋱·𝋱·𝋨·𝋡
- Chinese
- 一十四萬二千九百六十一
- Chinese (financial)
- 壹拾肆萬貳仟玖佰陸拾壹
Also seen as
UTF-8 encoding: F0 A2 B9 B1 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.46.113.
- Address
- 0.2.46.113
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.46.113
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 142,961 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 142961 first appears in π at position 428,380 of the decimal expansion (the 428,380ordinal-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.