Properties of the Number -221375

Two Hundred Twenty-One Thousand Three Hundred Seventy-Five

Basics

Value: -221376 → -221375 → -221374

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 ³ × 7 × 11 × 23

Divisors: 1, 5, 7, 11, 23, 25, 35, 55, 77, 115

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110110000010111111

Octal: -660277

Duodecimal: -A813B

Hexadecimal: -360bf

Square: 49006890625

Square Root: 470.5050477943887

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

Odd hexagonal pyramidal numbers. A15225

Degrees of irreducible representations of Conway group Co2. A3911

Numbers n such that n² can be split into two nonzero squares (perhaps with leading zeros) in exactly two different ways. A54737

a(n) = binomial(n+2,3)*5³. A141480