Properties of the Number 1501

One Thousand Five Hundred One

Basics

Value: 1500 → 1501 → 1502

Parity: odd

Prime: No

Previous Prime: 1499

Next Prime: 1511

Digit Sum: 7

Digital Root: 7

Palindrome: No

Factorization: 19 × 79

Divisors: 1, 19, 79, 1501

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10111011101

Octal: 2735

Duodecimal: A51

Hexadecimal: 5dd

Square: 2253001

Square Root: 38.742741255621034

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

Centered pentagonal numbers: (5n²+5n+2)/2; crystal ball sequence for 3.3.3.4.4. planar net. A5891

Generalized 10-gonal numbers: m*(4·m - 3) for m = 0, +- 1, +- 2, +- 3, ... A74377

Second 10-gonal (or decagonal) numbers: n*(4·n+3). A33954

Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 20. A50969

The main column of a version of the square spiral. A156859

a(n) = (n+1)*(n² +8·n +6)/6. Number of n-dimensional partitions of 4. Number of terms in 4th derivative of a function composed with itself n times. A8778

Number of non-isomorphic multiset partitions of weight n satisfying a strict version of the axiom of choice. A368098

Number of partitions of n which represent first player winning Chomp positions. A112471

Numbers n such that the decimal expansions of both n and n² have 0 as smallest digit and 5 as largest digit. A256631

a(n) = minimal positive k such that the concatenation of the decimal digits of n,n+1,...,n+k is divisible by n+k+1, or -1 if no such k exists. A332580