Properties of the Number -6903

Nine Hundred Three

Basics

Value: -6904 → -6903 → -6902

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 13 × 59

Divisors: 1, 3, 9, 13, 39, 59, 117, 177, 531, 767

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -1101011110111

Octal: -15367

Duodecimal: -3BB3

Hexadecimal: -1af7

Square: 47651409

Square Root: 83.08429454475737

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 ∏_k>=1 (1 - prime(k)*x^k). A304791

a(n) = (2·n+1)*(4·n+1). A14634

a(n) = n*(2·n+5)*(n-1)/6. A51925

Staggered diagonal of triangular spiral in A051682. A81266

n satisfying σ(n+1) = σ(n-1). A55574

3 times 9-gonal (or nonagonal) numbers: a(n) = 3·n*(7·n-5)/2. A152759

Triangular numbers which are the average of two consecutive primes. A130178

Triangular numbers with property that digits alternate in parity. A68882

a(1)=1. a(n) = a(n-1) + sum of the squares which are among the first (n-1) terms of the sequence. A101135

Odd interprimes divisible by 13. A124619