Properties of the Number -72989

Seventy-Two Thousand Nine Hundred Eighty-Nine

Basics

Value: -72990 → -72989 → -72988

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 7 × 10427

Divisors: 1, 7, 10427, 72989

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10001110100011101

Octal: -216435

Duodecimal: -362A5

Hexadecimal: -11d1d

Square: 5327394121

Square Root: 270.1647645419365

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

Number T(n,k) of labeled cyclic chord diagrams with n chords such that every chord has length at least k; triangle T(n,k), n>=1, 1<=k<=n, read by rows. A324428

Number of labeled cyclic chord diagrams with n chords such that every chord has length at least seven. A324433

a(1)=1; a(2)=2; for n>2, a(n) = a(n-1) + A000217(n-1)*a(n-2). A166474

Number of compositions of n into exactly n nonnegative parts such that each positive i-th part has the same parity as i. A348478

Multiplicity of highest weight (or singular) vectors associated with character chi₁₆₀ of Monster module. A34548

Number of maximum matchings in the n-Andrásfai graph. A297535