Properties of the Number -1973

Nine Hundred Seventy-Three

Basics

Value: -1974 → -1973 → -1972

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 1973

Divisors: 1, 1973

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11110110101

Octal: -3665

Duodecimal: -1185

Hexadecimal: -7b5

Square: 3892729

Square Root: 44.41846462902562

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Row sums of A128586. A128587

a(n) = A174817(n) - Mnr; where Mnr = A001228(26) = 808017424794512875886459904961710757005754368000000000, also called the Monster number, cf. A003131. A174818

a(n) = 8·n³ - 449·n² + 7967·n - 45523. A253045

a(n) = ∑_k=0..n (-1)^k*floor((1 + sqrt(2))^k). A277789

Partial sums of A299272. A299273

Primes that become another prime under the map 8 <-> 9 (acting on the decimal digits). A175789

Number of sets (in the Hausdorff metric geometry) at each location between two sets defining a polygonal configuration consisting of two 4-gonal polygonal components chained with string components of length l as l varies. A152929

Minimal prime with n prime substrings (substrings with leading zeros are considered to be nonprime). A213321

a(n) = a(n-1) + a(n-2) + 1, with a(0) = a(1) = 1. A1595

Primes that are the sum of three consecutive primes. A34962