Properties of the Number -87977

Eighty-Seven Thousand Nine Hundred Seventy-Seven

Basics

Value: -87978 → -87977 → -87976

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 38

Digital Root: 2

Palindrome: No

Factorization: 87977

Divisors: 1, 87977

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -10101011110101001

Octal: -253651

Duodecimal: -42AB5

Hexadecimal: -157a9

Square: 7739952529

Square Root: 296.60917045836595

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

a(n) = (n⁵ - 133·n⁴ + 6729·n³ - 158379·n² + 1720294·n - 6823316)/4. A121887

Primes with digit sum = 38. A106772

Primes of the form abs((1/4)*(n⁵ - 133n⁴ + 6729n³ - 158379n² + 1720294n - 6823316)) in order of increasing nonnegative n. A272710

Maximum fixed points under iteration of sum of cubes of digits in base n. A226026

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 31. A31619

Primes which can be represented as the sum of a square and its reverse. A72383