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Properties of the Number -2972

Nine Hundred Seventy-Two

Basics

Value: -2973 → -2972 → -2971

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 2 × 743

Divisors: 1, 2, 4, 743, 1486, 2972

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -101110011100

Octal: -5634

Duodecimal: -1878

Hexadecimal: -b9c

Square: 8832784

Square Root: 54.516052681756044

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

Triangle read by rows: row n gives coefficients of increasing powers of·in characteristic polynomial of the matrix (-1)n*Mn, where Mn is the tridiagonal matrix defined in the Comments line. A124037
Triangle read by rows: matrix inverse of A110877. A126126
Q-toothpick sequence (see Comments for precise definition). A187210
Expansion of 1/((1-x)2*(1-x2)*(1-x3)). A601
Number of strict integer partitions y of n with no fixed points y(i) = i. A352828
a(n) = ∑d∣n binomial(n/d+d-2, d-1). A157019
Numbers n such that n·8n - 1 is prime. A242201
Non-palindromic balanced numbers in base 9. A256089
Indices in A377091 where there is a record upward jump from a negative term to a positive term. A379066
Number of unrooted nonseparable planar maps with n edges and a distinguished face. A87