Properties of the Number -661091

Six Hundred Sixty-One Thousand Ninety-One

Basics

Value: -661092 → -661091 → -661090

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 661091

Divisors: 1, 661091

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10100001011001100011

Octal: -2413143

Duodecimal: -27A6AB

Hexadecimal: -a1663

Square: 437041310281

Square Root: 813.07502728838

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

Initial members p of prime 5-tuples (p, p+2, p+6, p+8, p+12). A22006

Primes at which difference pattern X2424Y (X and Y >= 6) occurs in A001223. A52167

Initial primes in prime 5-tuples (p, p+2, p+6, p+8, p+12) preceding the maximal gaps in A201073. A201074

Primes p such that the 6 consecutive primes starting with p are congruent to 11, 13, 17, 19, 23, 29 (modulo 30) in this order. A351597

Least prime of a 6-tuplet that contains both a prime quadruple and a sexy prime quadruple. A160264

Smallest of four primes in arithmetic progression with common difference 6 and digit sum prime. A253216

Smallest members of prime 5-tuples whose sum is a prime. A309695