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Properties of the Number -10731

Ten Thousand Seven Hundred Thirty-One

Basics

Value: -10732 → -10731 → -10730

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 2 × 73

Divisors: 1, 3, 7, 21, 49, 73, 147, 219, 511, 1533

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: -10100111101011

Octal: -24753

Duodecimal: -6263

Hexadecimal: -29eb

Square: 115154361

Square Root: 103.59054010864119

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

Expansion of 8 * η(q)7 / η(q7) + 49 * (η(q) * η(q7))3 in powers of q. A138809
a(n) = (2·n-1)*(4·n-1). A33567
Triangular numbers which are the average of two consecutive primes. A130178
Least triangular n-gonal number greater than 1, or 0 if none exists. A188891
Number of partitions of n such that (greatest part) + (least part) < number of parts. A237822
Number of partitions of n into parts not of the form 7k, 7k+3 or 7k-3. Also number of partitions such that the differences between parts at distance 2 are greater than 1. A35939
Numbers which are both lucky and triangular. A118565
Triangular numbers t which are average of two consecutive primes p and p+4. A129752
Numbers n such that n6 + 272 is prime. A161998
Lucky numbers with size of gaps equal to 16 (lower terms). A31898