Properties of the Number 80850

Eighty Thousand Eight Hundred Fifty

Basics

Value: 80849 → 80850 → 80851

Parity: even

Prime: No

Previous Prime: 80849

Next Prime: 80863

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 ² × 7 ² × 11

Divisors: 1, 2, 3, 5, 6, 7, 10, 11, 14, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10011101111010010

Octal: 235722

Duodecimal: 3A956

Hexadecimal: 13bd2

Square: 6536722500

Square Root: 284.3413441622586

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

Triangle read by rows, the Bell transform of the quartic factorial numbers A007696(n+1) without column 0. A49029

Numbers with exactly 5 distinct prime divisors {2,3,5,7,11}. A147572

The number phi₂(n) of Frobenius partitions that allow up to 2 repetitions of an integer in a row. A53993

Integers y such that there exist two integers 0<x<=y<=z such that ψ(x) = ψ(y) = ψ(z) = x + y + z. A386901

a(n) = ∏_{d∣n, d<n} prime(1+A056239(d)), where A056239(d) gives the weight of the partition whose Heinz-number is d. A319352

Composite numbers requiring increasingly larger bases to become prime by base reversal. A75243

Triangle read by rows: coefficients of Yablonskii-Vorob'ev polynomials. A92766

a(n) is the least number k such that there are exactly n pairs (p,q) of primes with p<q such that p+q = 2·k and that 2·k+p, 2·k+q, p·q-2·k and p·q+2·k are primes. A354462

Triangle read by rows. Let R(n, k) = Y(n, k, B) where Y are the partial Bell polynomials and B is the list [Bernoulli(j, 1), j = 0..n]. T(n, k) are R(n, k) normalized by the lcm of the denominators of the terms in row n (A048803). A352372

Positive integers whose square is the sum of 50 consecutive squares. A257781