Properties of the Number 70987

Seventy Thousand Nine Hundred Eighty-Seven

Basics

Value: 70986 → 70987 → 70988

Parity: odd

Prime: No

Previous Prime: 70981

Next Prime: 70991

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 7 × 10141

Divisors: 1, 7, 10141, 70987

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001010101001011

Octal: 212513

Duodecimal: 350B7

Hexadecimal: 1154b

Square: 5039154169

Square Root: 266.43385670743874

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

Number of partitions p of n such that (number of numbers in p that have multiplicity 1) > (number of numbers in p having multiplicity > 1). A329976

a(n) = floor(sqrt(a(n-1)² + a(n-2)²)), a(1)=10, a(2)=30. A104863

Number of terms in simple continued fraction for sum(k=1,n,1/k⁴). A70987