Properties of the Number -2905

Nine Hundred Five

Basics

Value: -2906 → -2905 → -2904

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 × 7 × 83

Divisors: 1, 5, 7, 35, 83, 415, 581, 2905

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -101101011001

Octal: -5531

Duodecimal: -1821

Hexadecimal: -b59

Square: 8439025

Square Root: 53.898051912847464

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

Numerator of Bernoulli(n, 5/12). A159493

Expansion of -1/((1 - x)*(1 - x² + 4·x³)). A175714

Number of ordered rooted trees with n non-root nodes and all outdegrees <= three. A36765

Numbers n such that the decimal expansions of both n and n² have 0 as smallest digit and 9 as largest digit. A256709

Number of integer compositions of n with all distinct even-indexed parts and all distinct odd-indexed parts. A351018

Concentric 22-gonal numbers. A195149

Non-palindromic balanced numbers (in base 10). A256075

a(n) = 6·n² + 1. A227776

Positions of 19 after decimal point in decimal expansion of π. A134219

Numbers n such that N = n³ is a twin rank (A002822: 6N +- 1 are twin primes). A326234