Properties of the Number -77978

Seventy-Seven Thousand Nine Hundred Seventy-Eight

Basics

Value: -77979 → -77978 → -77977

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 38

Digital Root: 2

Palindrome: No

Factorization: 2 × 127 × 307

Divisors: 1, 2, 127, 254, 307, 614, 38989, 77978

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -10011000010011010

Octal: -230232

Duodecimal: -39162

Hexadecimal: -1309a

Square: 6080568484

Square Root: 279.24541177967455

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

T(n,k)=Number of nXk 0..3 arrays with exactly floor(nXk/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order. A222794

Number of different (by numeric value, not by structure) expressions, consisting of N symbols, each of them is one of: nullary 1, unary sqrt(), binary +. A158415

Number of nX5 0..3 arrays with exactly floor(nX5/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order. A222791

Number of 4 X n 0..3 arrays with exactly floor(4 X n/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order. A222797