Properties of the Number 70061

Seventy Thousand Sixty-One

Basics

Value: 70060 → 70061 → 70062

Parity: odd

Prime: Yes

Previous Prime: 70051

Next Prime: 70067

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 70061

Divisors: 1, 70061

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001000110101101

Octal: 210655

Duodecimal: 34665

Hexadecimal: 111ad

Square: 4908543721

Square Root: 264.69038516727426

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

Class 7+ primes. A81635

Number of Carmichael numbers between 2ⁿ and 2ⁿ⁺¹. A182490

Numerator of ∑_k=1..n (-1)^k+1 * 1/(k*(k+1)). A125683

Primes in A125683(n) in order of their occurrence. A125685

Primes where the first digit equals the sum of all the other digits. A156307

Consider the 2^n-1 monic polynomials f(x) with coefficients 0 or 1, degree n and f(0)=1. Sequence gives triangle read by rows, in which T(n,k) (n>=1) is the number of such polynomials of thickness k (2 <= k <= n+1). A169940

Least number of fecundity n (A070562). A70061

Numbers k such that A125683(k) is prime. A125684

Numbers k such that 7·10^k + 61 is prime. A281989