Properties of the Number -1315609

Three Hundred Fifteen Thousand Six Hundred Nine

Basics

Value: -1315610 → -1315609 → -1315608

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 31 ² × 37 ²

Divisors: 1, 31, 37, 961, 1147, 1369, 35557, 42439, 1315609

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -101000001001100011001

Octal: -5011431

Duodecimal: -535421

Hexadecimal: -141319

Square: 1730827040881

Square Root: 1147

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

Products of squares of 2 successive primes. A166329

Numbers k such that concat(k, σ(k)) and concat(σ(k), k) are both prime. A284642

Numbers n such that the sum of composites from the smallest prime factor of n to the largest prime factor of n is equal to the sum of squarefree numbers from the smallest prime factor of n to the largest prime factor of n. A74255

Each term is the smallest positive integer both coprime to all earlier terms of the sequence and with a different number of divisors than all earlier terms. (a(1)=1.) A175261