Properties of the Number -14725

Fourteen Thousand Seven Hundred Twenty-Five

Basics

Value: -14726 → -14725 → -14724

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 ² × 19 × 31

Divisors: 1, 5, 19, 25, 31, 95, 155, 475, 589, 775

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11100110000101

Octal: -34605

Duodecimal: -8631

Hexadecimal: -3985

Square: 216825625

Square Root: 121.34661099511597

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

a(n) = 5·a(n-1) - 9·a(n-2), with a(0)=0, a(1)=1. A190970

a(n) = -a(n-1) - 3·a(n-2) with n>1, a(0)=0, a(1)=1. A214733

Coefficients in the expansion of ([s] + [2s]x + [3s]x² + ...)/([r] + [2r]x + [3r]x² + ...); [ ] = floor, r = e - 1, s = r/(1-r). A279632

Expansion of 1/(1-x*(1-3·x)). A106852

a(n) = floor(X/Y) where X = concatenation in decreasing order of (2n)-th even number to (n+1)-th even number and Y = that of first n even numbers in increasing order. A67092

Diagonal in array of n-gonal numbers A081422. A81435

Number of partitions of n into parts of 5 kinds. A23004

Indices of heptagonal numbers (A000566) which are also 9-gonal. A48920

Number of doubletons in all partitions of n. By a doubleton in a partition we mean an occurrence of a part exactly twice (the partition [4,(3,3),2,2,2,(1,1)] has two doubletons, shown between parentheses). A116646

a(n) = n*(n + 1)*(n² - 3·n + 6)/8. A4255